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Chapter 1: Q. 309 - Exercises (page 77)

In the following question, evaluate the expression.

10-3mwhen (a)m=5(b)m=-5.

Short Answer

Expert verified

(a) -5when m=5

(b)25whenm=-5

Step by step solution

01

Step 1. Given information .

Consider the given expression 10-3mwhen (a)m=5(b)m=-5.

02

Step 2. (a) Simplify the expression 10-3m when m=5 .

Substitute the value of min the given expression .

鈬�10-3m鈬�10-3脳5鈬�10-15鈬�-5

The value of the expression form=5is-5.

03

Step 3. (b) Simplify the expression 10-3m when m=-5 .

Substitute the value of min the given expression .

鈬�10-3m鈬�10-3脳-5鈬�10+15鈬�25

The value of given expression form=-5is 25 .

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