Comparison of exponents
CAT 1997 Slot 1 · Quantitative Ability · Easy · Algebra
Which of the following is true?
- A.
7^{3^2} = (7^3)^2
- B.
7^{3^2} > (7^3)^2
- C.
7^{3^2} < (7^3)^2
- D.
None of these
Answer
B
Explanation
Evaluate both expressions:
- since .
- .
Since , we have .
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