Square of 845

The square of a number is the product of the number itself. The square of 845 is 845 × 845. The square of a number always ends in 0, 1, 4, 5, 6, or 9. We write it in math as 845², where 845 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 of 845 is 845 × 845 = 714,025.

Square of 845 in exponential form: 845²

Square of 845 in arithmetic form: 845 × 845

The square of a number is 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 845.

Step 1: Identify the number. Here, the number is 845.

Step 2: Multiplying the number by itself, we get, 845 × 845 = 714,025.

The square of 845 is 714,025.

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 845. So: 845² = 845 × 845 = 714,025

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 845.

Step 1: Enter the number in the calculator. Enter 845 in the calculator.

Step 2: Multiply the number by itself using the multiplication button (×). That is 845 × 845.

Step 3: Press the equal button to find the answer. Here, the square of 845 is 714,025.

Tips and Tricks for the Square of 845

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 itself. For example, 2, 3, 5, 7, 11, etc.

• Exponential form: A way of writing numbers using a base and an exponent, such as 9².

• Square root: The inverse operation of squaring, finding a number whose square is the given number.

• Perfect square: A number that is the square of an integer, such as 1, 4, 9, 16, etc.

• Multiplication method: A technique of finding the square by directly multiplying a number by itself.