GRE Sample Test 2 Quantitative Reasoning 1

Question : 7 of 20

Marks: +1, -0

Quantity A :

5^{27} (575)

Quantity B :

5^{28}(115)

Solution:

Remember, when you have large exponents, try to break them down into their prime factors. You can rewrite Quantity A as

5^{27} (5) (115)

, or

5^{28} (115)

. The quantities are equal.

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