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Chapter 1: Q40. (page 24)

State the opposite of the number.

81

Short Answer

Expert verified

The opposite of the number is -81.

Step by step solution

01

Step-1 – Opposite of a number

Opposite of any real number can be obtained by multiplying it with -1. On the number line, opposite of any number be located on the opposite side at the same distance from the midpoint 0.

02

Step-2 – Example of opposite of a number

The opposite of any number is the same number with opposite sign.

For example, opposite of 3 is -3.

And the opposite of -1 is 1.

03

Step-3 – Find the opposite of the number

In order to find the opposite of the number, multiply it with -1.

So, the opposite of the given number is

-181=-81

Thus, the opposite of the number is -81.

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