Arithmetic of Computers

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Lesson 4

Practice Makes Perfect

Prowess with powers

Page 147

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Your answer :

(1)/(100) = 10^− 2.

You are correct.

(1)/(100) = (1)/(10 × 10) = (1)/(10²) = 10^− 2.

Very well, you seem to have a pretty good grasp of the meaning of exponents, both positive and negative. Now let’s introduce a few complications. What number would 4(3²) equal?

Answer :

4(3²) = 9.

Go to Page 137

4(3²) = 36.

Go to Page 143

4(3²) = 144.

Go to Page 152

Answer to Self-Test Question 2, Lesson 4 :

8^− 2.