Arithmetic of Computers

Arithmetic of Computers

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Lesson 6

The Octal System

From eight to ten

Page 193

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Your answer :

6.

You are correct. If the octal number 346₈ is written in expanded form, it becomes

3(8²) + 4(8¹) + 6(8⁰).

The powers of the base increase towards the left.

What decimal number is 36₈ equal to?

Answer :

36₈ = 30₁₀.

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36₈ = 72₁₀.

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36₈ = 240₁₀.

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36₈ = 198₁₀.

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I don’t know how to begin on this problem.

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