Square of 1.3

The square of a number is the product of the number by itself. The square of 1.3 is 1.3 × 1.3. The square of a number often ends in 0, 1, 4, 5, 6, or 9. We write it in math as 1.3², where 1.3 is the base and 2 is the exponent. The square of a positive or negative number is always positive. For example, 5² = 25; (-5)² = 25.

The square of 1.3 is 1.3 × 1.3 = 1.69.

Square of 1.3 in exponential form: 1.3²

Square of 1.3 in arithmetic form: 1.3 × 1.3

The square of a number is found by multiplying the number by itself. Let’s explore how to find the square of a number. These are common methods used to find it.

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 1.3.

Step 1: Identify the number. Here, the number is 1.3.

Step 2: Multiply the number by itself, we get, 1.3 × 1.3 = 1.69. The square of 1.3 is 1.69.

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 1.3 So: 1.3² = 1.3 × 1.3 = 1.69

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 1.3.

Step 1: Enter the number in the calculator Enter 1.3 in the calculator.

Step 2: Multiply the number by itself using the multiplication button (×). That is 1.3 × 1.3

Step 3: Press the equal button to find the answer. Here, the square of 1.3 is 1.69.

Tips and Tricks for the Square of 1.3: Tips and tricks can make it easier 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.

• Rational Number: A number that can be expressed as a fraction where both the numerator and the denominator are integers.

• Exponential Form: A way of expressing a number as a base raised to a power, like 1.3².

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

• Decimal: A number with a fractional part separated by a decimal point, like 1.3.

• Multiplication: The arithmetic operation of scaling one number by another, often used to calculate squares, like 1.3 × 1.3.