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Q3 of 49 Page 12

Evaluate:

Consider

As we know (a^m)ⁿ = a^mn

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1

The value of is

2

The value of (2^-5 ÷ 2^-2) is

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By what number should 5^-1 be multiplied so that the product many be equal to (-7)^-1?

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In a stack there are 5 books each of thickness 20 mm and 5 paper sheets each of thickness 0.016 mm. What is the total thickness of the stack.