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Mathematics 15 Online
OpenStudy (anonymous):

What is 512 written as a power of a number? A. 92 B. 44 C. 28 D. 29

OpenStudy (mathstudent55):

Divide 512 by 2. Keep dividing the result by 2 until you get 1. Once you have one, count how many times you divided by 2. That is the exponent. The base is 2.

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