Arithmetic of Computers

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Lesson 4

Practice Makes Perfect

Prowess with powers

Page 133

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Your answer :

3(4^− 1) = (3)/(4).

Good.

3(4^− 1) = 3⎛⎝(1)/(4)⎞⎠ = (3)/(4).

Can you write 2(10^− 1) + 5(10^− 2) as a decimal fraction?

Answer :

2(10^− 1) + 5(10^− 2) = .25.

Go to Page 129

2(10^− 1) + 5(10^− 2) = (2)/(10) + (5)/(100).