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Chapter 1: Q. 1.218 (page 132)

Simplifya-81b-100

Short Answer

Expert verified

The answer isa-9,b-10

Step by step solution

01

Part(a) Step1. Given information

-81

02

Part(a) Step2. Calculation

Since81=92So,-81=-9

03

Part(b) Step3. Given information

-100

04

Part(b) Step4. Calculation

Since100=102S0,-100=-10

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