Last updated on May 26th, 2025
The product of multiplying an integer by itself is the square of a number. Square is used in programming, calculating areas, and so on. In the topic, we will discuss the square of 990.
The square of a number is the product of the number itself. The square of 990 is 990 × 990. The square of a number always ends in 0, 1, 4, 5, 6, or 9. We write it in math as 990², where 990 is the base and 2 is the exponent. The square of a positive and a negative number is always positive.
For example, 5² = 25; (-5)² = 25.
The square of 990 is 990 × 990 = 980100.
Square of 990 in exponential form: 990²
Square of 990 in arithmetic form: 990 × 990
The square of a number is multiplying the number by itself. So let’s learn how to find the square of a number. These are the common methods used to find the square of a number.
In this method, we will multiply the number by itself to find the square. The product here is the square of the number. Let’s find the square of 990.
Step 1: Identify the number. Here, the number is 990.
Step 2: Multiplying the number by itself, we get, 990 × 990 = 980100.
The square of 990 is 980100.
In this method, the formula, a² is used to find the square of the number, where a is the number.
Step 1: Understanding the equation
Square of a number = a²
a² = a × a
Step 2: Identifying the number and substituting the value in the equation.
Here, ‘a’ is 990.
So: 990² = 990 × 990 = 980100
Using a calculator to find the square of a number is the easiest method. Let’s learn how to use a calculator to find the square of 990.
Step 1: Enter the number in the calculator Enter 990 in the calculator.
Step 2: Multiply the number by itself using the multiplication button (×) That is 990 × 990
Step 3: Press the equal to button to find the answer Here, the square of 990 is 980100.
Tips and tricks make it easy for students to understand and learn the square of a number. To master the square of a number, these tips and tricks will help students.
Mistakes are common among kids when doing math, especially when it is finding the square of a number. Let’s learn some common mistakes to master the squaring of a number.
Find the length of the square, where the area of the square is 980100 cm².
The area of a square = a²
So, the area of a square = 980100 cm²
So, the length = √980100 = 990.
The length of each side = 990 cm
The length of a square is 990 cm. Because the area is 980100 cm² the length is √980100 = 990.
Sarah wants to carpet her square room of length 990 feet. The cost to carpet a foot is 4 dollars. How much will it cost to carpet the full room?
The length of the room = 990 feet The cost to carpet 1 square foot of room = 4 dollars. To find the total cost to carpet, we find the area of the room, Area of the room = area of the square = a² Here a = 990 Therefore, the area of the room = 990² = 990 × 990 = 980100. The cost to carpet the room = 980100 × 4 = 3920400. The total cost = 3920400 dollars
To find the cost to carpet the room, we multiply the area of the room by the cost to carpet per foot. So, the total cost is 3920400 dollars.
Find the area of a circle whose radius is 990 meters.
The area of the circle = 3078014 m²
The area of a circle = πr²
Here, r = 990
Therefore, the area of the circle = π × 990²
= 3.14 × 990 × 990
= 3078014 m².
The area of a square is 980100 cm². Find the perimeter of the square.
The perimeter of the square is 3960 cm.
The area of the square = a²
Here, the area is 980100 cm²
The length of the side is √980100 = 990
Perimeter of the square = 4a
Here, a = 990
Therefore, the perimeter = 4 × 990 = 3960.
Find the square of 991.
The square of 991 is 982081.
The square of 991 is multiplying 991 by 991. So, the square = 991 × 991 = 982081
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.
: He loves to play the quiz with kids through algebra to make kids love it.