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Last updated on May 27th, 2025

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Cube of 890

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When a number is multiplied by itself thrice, the resultant number is called the cube of a number. Cubing is used when comparing sizes of objects or things with cubic measurements. In this topic, we shall learn about the cube of 890.

Cube of 890 for Bahraini Students
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Cube of 890

A cube number is a value obtained by raising a number to the power of 3, or by multiplying the number by itself three times. When you cube a positive number, the result is always positive. When you cube a negative number, the result is always negative. This is because a negative number by itself three times results in a negative number. The cube of 890 can be written as 890³, which is the exponential form. Or it can also be written in arithmetic form as, 890 × 890 × 890.

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How to Calculate the Value of Cube of 890

In order to check whether a number is a cube number or not, we can use the following three methods, such as multiplication method, a factor formula (a³), or by using a calculator. These three methods will help kids to cube the numbers faster and easier without feeling confused or stuck while evaluating the answers. By Multiplication Method Using a Formula Using a Calculator

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By Multiplication Method

The multiplication method is a process in mathematics used to find the product of two numbers or quantities by combining them through repeated addition. It is a fundamental operation that forms the basis for more complex mathematical concepts. Step 1: Write down the cube of the given number. 890³ = 890 × 890 × 890 Step 2: You get 704,969,000 as the answer. Hence, the cube of 890 is 704,969,000.

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Using a Formula (a³)

The formula (a + b)³ is a binomial formula for finding the cube of a number. The formula is expanded as a³ + 3a²b + 3ab² + b³. Step 1: Split the number 890 into two parts. Let a = 800 and b = 90, so a + b = 890 Step 2: Now, apply the formula (a + b)³ = a³ + 3a²b + 3ab² + b³ Step 3: Calculate each term a³ = 800³ 3a²b = 3 × 800² × 90 3ab² = 3 × 800 × 90² b³ = 90³ Step 4: Add all the terms together: (a + b)³ = a³ + 3a²b + 3ab² + b³ (800 + 90)³ = 800³ + 3 × 800² × 90 + 3 × 800 × 90² + 90³ 890³ = 512,000,000 + 172,800,000 + 64,800,000 + 729,000 890³ = 704,969,000 Step 5: Hence, the cube of 890 is 704,969,000.

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Using a Calculator

To find the cube of 890 using a calculator, input the number 890 and use the cube function (if available) or multiply 890 × 890 × 890. This operation calculates the value of 890³, resulting in 704,969,000. It’s a quick way to determine the cube without manual computation. Step 1: Ensure the calculator is functioning properly. Step 2: Press 8 followed by 9 and then 0 Step 3: If the calculator has a cube function, press it to calculate 890³. Step 4: If there is no cube function on the calculator, simply multiply 890 three times manually. Step 5: The calculator will display 704,969,000.

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Tips and Tricks for the Cube of 890

The cube of any even number is always even, while the cube of any odd number is always odd. The product of two or more perfect cube numbers is always a perfect cube. A perfect cube can always be expressed as the product of three identical groups of equal prime factors.

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Common Mistakes to Avoid When Calculating the Cube of 890

There are some typical errors that kids might make during the process of cubing a number. Let us take a look at five of the major mistakes that kids might make:

Mistake 1

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Incorrect Multiplication

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Kids might multiply the numbers only twice. That is, 890 × 890 and not 890 × 890 × 890. Always remember that 890³ = 890 × 890 × 890.

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Solved Examples on Cube of 890

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Problem 1

What is the cube and cube root of 890?

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The cube of 890 is 704,969,000 and the cube root of 890 is approximately 9.545.

Explanation

First, let’s find the cube of 890. We know that cube of a number, such that x³ = y Where x is the given number, and y is the cubed value of that number So, we get 890³ = 704,969,000 Next, we must find the cube root of 890 We know that cube root of a number ‘x’, such that ∛x = y Where x is the given number, and y is the cube root value of the number So, we get ∛890 ≈ 9.545 Hence the cube of 890 is 704,969,000 and the cube root of 890 is approximately 9.545.

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Problem 2

If the side length of the cube is 890 cm, what is the volume?

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The volume is 704,969,000 cm³.

Explanation

Use the volume formula for a cube V = Side³. Substitute 890 for the side length: V = 890³ = 704,969,000 cm³.

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Problem 3

How much larger is 890³ than 800³?

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890³ – 800³ = 192,969,000.

Explanation

First find the cube of 890³, that is 704,969,000 Next, find the cube of 800³, which is 512,000,000 Now, find the difference between them using the subtraction method. 704,969,000 – 512,000,000 = 192,969,000 Therefore, the 890³ is 192,969,000 larger than 800³.

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Problem 4

If a cube with a side length of 890 cm is compared to a cube with a side length of 90 cm, how much larger is the volume of the larger cube?

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The volume of the cube with a side length of 890 cm is 704,969,000 cm³.

Explanation

To find its volume, we multiply the side length by itself three times (since it’s a 3-dimensional object). Cubing 890 means multiplying 890 by itself three times: 890 × 890 = 792,100, and then 792,100 × 890 = 704,969,000. The unit of volume is cubic centimeters (cm³), because we are calculating the space inside the cube. Therefore, the volume of the cube is 704,969,000 cm³.

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Problem 5

Estimate the cube 889.9 using the cube 890.

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The cube of 889.9 is approximately 704,969,000.

Explanation

First, identify the cube of 890, The cube of 890 is 890³ = 704,969,000. Since 889.9 is only a tiny bit less than 890, the cube of 889.9 will be almost the same as the cube of 890. The cube of 889.9 is approximately 704,969,000 because the difference between 889.9 and 890 is very small. So, we can approximate the value as 704,969,000.

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FAQs on Cube of 890

1.What are the perfect cubes up to 890?

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2.How do you calculate 890³?

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3.What is the meaning of 890³?

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4.What is the cube root of 890?

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5.Is 890 a perfect cube?

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6.How does learning Algebra help students in Bahrain make better decisions in daily life?

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7.How can cultural or local activities in Bahrain support learning Algebra topics such as Cube of 890?

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8.How do technology and digital tools in Bahrain support learning Algebra and Cube of 890?

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9.Does learning Algebra support future career opportunities for students in Bahrain?

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Important Glossaries for Cube of 890

Binomial Formula: It is an algebraic expression used to expand the powers of a number, written as (a + b)ⁿ, where ‘n’ is a positive integer raised to the base. The formula is used to find the square and cube of a number. Cube of a Number: Multiplying a number by itself three times is called the cube of a number. Exponential Form: It is a way of expressing numbers using a base and an exponent (or power), where the exponent value indicates how many times the base is multiplied by itself. For example, 2³ represents 2 × 2 × 2 equals 8. Perfect Cube: A number that can be expressed as the cube of an integer. Volume: A measure of the amount of space inside a three-dimensional object, calculated for cubes as the side length cubed (Side³).

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About BrightChamps in Bahrain

At BrightChamps, algebra is more than just digits—it unlocks endless opportunities! We strive to help kids all across Bahrain develop key math skills, focusing today on the Cube of 890 with an exciting look at cubes—in a lively, clear, and enjoyable way. Whether your child is figuring out the speed of a roller coaster at Bahrain’s Wahooo! Waterpark, tracking football scores, or managing their allowance for the latest gadgets, mastering algebra gives them confidence in everyday challenges. Our interactive lessons make math easy and fun. Because kids in Bahrain learn differently, we tailor our teaching to each child’s learning style. From Manama’s lively city life to Bahrain’s peaceful beaches, BrightChamps makes algebra come alive, making it exciting and relevant across Bahrain. Let’s make cubes a fun part of every child’s math journey!
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Jaskaran Singh Saluja

About the Author

Jaskaran Singh Saluja is a math wizard with nearly three years of experience as a math teacher. His expertise is in algebra, so he can make algebra classes interesting by turning tricky equations into simple puzzles.

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Fun Fact

: He loves to play the quiz with kids through algebra to make kids love it.

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