Arithmetic of Computers

Arithmetic of Computers

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Lesson 4

Practice Makes Perfect

Prowess with powers

Page 125

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Many ideas have been discussed in the last three lessons. You have acquired the tools and techniques you will need for handling other number systems. Now it’s time to review what you have learned.
We have had these definitions for cases where n is a positive whole number:
bn  = b × b × b × ⋯ × b (b used as a factor n times) b3  = b × b × b b2  = b × b b1  = b b0  = 1 ( provided b is not equal to 0) b − 1  = (1)/(b) b − 2  = (1)/(b2) b − n  = (1)/(bn)
How would you write 100 as a power of 10?
Answer :
100 = 10 × 10.

Go to Page 130

100 = 102.

Go to Page 135

100 = 10 − 2.

Go to Page 140


 

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