Arithmetic of Computers

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Lesson 4

Practice Makes Perfect

Prowess with powers

Page 126

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Your answer :

4(6¹) + 3(6⁰) = 42.

You probably counted 3(6⁰) as 3(6) = 18. Don’t forget that a number raised to the 0 power = 1. So you should have had:

4(6¹) + 3(6⁰) = 4(6) + 3(1) = ?

Return to Page 138 and choose the right answer,