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Chapter 1: Q31. (page 16)

The simplified form of 72.5--81.3.

Short Answer

Expert verified

The simplified form of 72.5--81.3=153.8

Step by step solution

01

Step 1. Given

The statement 鈥�72.5--81.3.鈥�

02

Step 2. Concept.

When two numbers are added or subtracted, then their absolute value is taken first and the sign of the greater number is put in front of it.

03

Step 3. Calculation.

Consider the provided statement 鈥�72.5--81.3.鈥�

Recall that when two numbers are added or subtracted then their absolute value is taken first and the sign of a greater number is put in front of it.

So, the given expression can be simplified as,

72.5--81.3=72.5+81.3

72.5--81.3=153.8

Hence, the simplified form of 72.5--81.3is 153.8.

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