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Which of these numbers can be written as a power of a single prime?

Class 7Prime Factors in Exponent FormNumber System

A72
B64
C36
D100

Step-by-Step Solution

64 =

2^{6} .36 = 2^{2} \times 3^{2}, 100 = 2^{2} \times 5^{2}

and

72 = 2^{3} \times 3^{2}

need two different primes.

Answer: B) 64

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