Square of 855

The square of a number is the product of the number itself. The square of 855 is 855 × 855. The square of a number always ends in 0, 1, 4, 5, 6, or 9. We write it in math as 855², where 855 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 855 is 855 × 855 = 731025.

Square of 855 in exponential form: 855²

Square of 855 in arithmetic form: 855 × 855

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.

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 855.

Step 1: Identify the number. Here, the number is 855.

Step 2: Multiplying the number by itself, we get, 855 × 855 = 731025.

The square of 855 is 731025.

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 855. So: 855² = 855 × 855 = 731025

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 855.

Step 1: Enter the number in the calculator Enter 855 in the calculator.

Step 2: Multiply the number by itself using the multiplication button (×). That is 855 × 855.

Step 3: Press the equal to button to find the answer. Here, the square of 855 is 731025.

Tips and Tricks for the Square of 855

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.

• Perfect Square: A number that is the square of an integer. For example, 731025 is a perfect square because it is 855 squared.

• Exponent: An exponent refers to the number of times a number, called the base, is multiplied by itself. For example, in 855², '2' is the exponent.

• Square root: The square root is the inverse operation of squaring a number. It gives the number which, when multiplied by itself, results in the original number.

• Calculator Method: A method of using electronic calculators to find squares easily by entering the number and using the square function.

• Multiplication Method: A straightforward technique to find the square of a number by multiplying the number by itself.