Arithmetic of Computers

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Lesson 5

Coefficients

New names for old

Page 174

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Your answer :

10^− 1 = .1.

You are correct. By our basic definition,

b^− n = (1)/(bⁿ)

and therefore

10^− 1 = (1)/(10¹) = (1)/(10) = .1.

Very well, the original question was: In the decimal number 142.67, what is the coefficient of 10^− 1? The coefficient of 10^− 1 is the number that tells us how many .1’s are used in the number 142.67.

Now return to page 169 and choose the right answer to that question.