alleryStart learning →Which prime-factor expression is a perfect square?
A3^2 × 5^4
B3^2 × 5^3
C3^3 × 5^3
D3^3 × 5^2
Answer & Solution
Correct answer: A. 3^2 × 5^4
Both prime exponents in 3 squared times 5 to the fourth power are even.
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