Arithmetic of Computers

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Lesson 6

The Octal System

From eight to ten

Page 186

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Your answer :

36₈ = 72₁₀.

You must have reached this answer by evaluating 6(8⁰) as 48. Any number (except 0) raised to the 0 power = 1. So 8⁰ = 1, and

36₈ = 3(8¹) + 6(8⁰) = 3(8) + 6(1) = 24 + 6.

Now return to Page 193 and try again.