Square of 841

The square of a number is the product of the number by itself. The square of 841 is 841 × 841. The square of a number always ends in 0, 1, 4, 5, 6, or 9. We write it in math as 841², where 841 is the base and 2 is the exponent. The square of a positive and a negative number is always positive. For example, 5² = 25; -5² = 25.

The square root of 841 is 29, so 29 × 29 = 841.

Square of 841 in exponential form: 841²

Square of 841 in arithmetic form: 29 × 29

The square of a number is calculated by multiplying the number by itself. Let’s learn how to find the square of a number. These are the common methods used to find the square of a number:

1. By Multiplication Method
2. Using a Formula
3. Using a Calculator

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 841.

Step 1: Identify the number. Here, the number is 29

Step 2: Multiplying the number by itself, we get, 29 × 29 = 841.

The square of 841 is 29 (since 29 × 29 = 841).

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 29 So: 29² = 29 × 29 = 841

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 841.

Step 1: Enter the number in the calculator Enter 29 in the calculator.

Step 2: Multiply the number by itself using the multiplication button (×) That is 29 × 29

Step 3: Press the equal-to button to find the answer Here, the square of 841 is 29 squared, which equals 841.

Tips and Tricks for the Square of 841

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:

• The square of an even number is always an even number. For example, 6² = 36

• The square of an odd number is always an odd number. For example, 5² = 25

• The last digit of the square of a number is always 0, 1, 4, 5, 6, or 9.

• If the square root of a number is a fraction or a decimal, then the number is not a perfect square. For example, √1.44 = 1.2

• The square root of a perfect square is always a whole number. For example, √144 = 12.

• Prime number: A number that is only divisible by 1 and the number itself. For example, 2, 3, 5, 7, 29, etc.

• Exponential form: Writing a number in the form of a power. For example, 9² where 9 is the base and 2 is the power.

• Square root: The inverse operation of the square. The square root of a number is a value that, when multiplied by itself, gives the number.

• Perfect square: A number that is the square of an integer. For example, 841 is a perfect square because it is 29².

• Multiplication: A mathematical operation where a number is added to itself a certain number of times. For example, 4 × 3 = 12.