Square of 2.4

The square of a number is the product of the number by itself. The square of 2.4 is 2.4 × 2.4. The square of a number often ends in 0, 1, 4, 5, 6, or 9. We write it in math as 2.4², where 2.4 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 2.4 is 2.4 × 2.4 = 5.76.

Square of 2.4 in exponential form: 2.4²

Square of 2.4 in arithmetic form: 2.4 × 2.4

The square of a number is found 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 multiply the number by itself to find the square. The product here is the square of the number. Let’s find the square of 2.4.

Step 1: Identify the number. Here, the number is 2.4.

Step 2: Multiplying the number by itself, we get, 2.4 × 2.4 = 5.76.

The square of 2.4 is 5.76.

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 2.4. So: 2.4² = 2.4 × 2.4 = 5.76

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 2.4.

Step 1: Enter the number in the calculator. Enter 2.4 in the calculator.

Step 2: Multiply the number by itself using the multiplication button (×). That is 2.4 × 2.4.

Step 3: Press the equal button to find the answer. Here, the square of 2.4 is 5.76.

Tips and Tricks for the Square of 2.4: 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 usually 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.

• Rational number: A number that can be expressed as a fraction where both the numerator and the denominator are integers. For example, 2.4 can be expressed as 12/5.

• Exponential form: Exponential form is the way of 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 square root is the inverse operation of the square. The square root of a number is a number whose square is the number itself.

• Perfect square: A number that has an integer as its square root. For example, 144 is a perfect square because its square root is 12.

• Decimal: A number that has a fractional part separated by a decimal point. For example, 2.4 is a decimal number.