Square of -23

The square of a number is the product of the number itself. The square of -23 is -23 × -23. The square of a number always ends in 0, 1, 4, 5, 6, or 9. We write it in math as (-23)², where -23 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 -23 is -23 × -23 = 529.

Square of -23 in exponential form: (-23)²

Square of -23 in arithmetic form: -23 × -23

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 -23

Step 1: Identify the number. Here, the number is -23

Step 2: Multiplying the number by itself, we get, -23 × -23 = 529.

The square of -23 is 529.

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 -23 So: (-23)² = -23 × -23 = 529

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 -23.

Step 1: Enter the number in the calculator Enter -23 in the calculator.

Step 2: Multiply the number by itself using the multiplication button(×) That is -23 × -23

Step 3: Press the equal to button to find the answer Here, the square of -23 is 529.

Tips and Tricks for the Square of -23

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 positive integer greater than 1 with exactly two distinct positive divisors: 1 and itself.

• Exponential form: A way of writing numbers using a base and an exponent. For example, (-23)² where -23 is the base and 2 is the exponent.

• Square root: The value that, when multiplied by itself, gives the original number. For example, the square root of 529 is ±23.

• Perfect square: A number that is the square of an integer. For example, 529 is a perfect square because 23² = 529.

• Multiplication: A mathematical operation that combines groups of equal size; the repeated addition of the same number.