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Chapter 2: Q77. (page 67)

Find the reciprocal of each number.

2.5

Short Answer

Expert verified

The reciprocal of the 2.5 is 0.4.

Step by step solution

01

Step 1- Given information

We have, a number2.5.

To find the reciprocal of the given number.

02

Step 2- concept used

When we multiply by xwith the reciprocal or multiplicative inverse of a number xis the number gives 1.

Such that x脳1x=1

Thus, xis the reciprocal of 1xand 1xis the reciprocal of x.

03

Step 3- To find the reciprocal

Let the reciprocal of the given number 2.5is=x.

So,

2.5脳x=1鈬�2510脳x=1鈬�52脳x=1鈬�x=25鈬�x=0.4

Hence, the reciprocal of the 2.5 is 0.4.

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