SAT Math Multiple Choice Question 877: Answer and Explanation

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Test Information

Question: 877

7. When completely simplified,has a value of:

  • A. 0
  • B. 1
  • C. 5
  • D. 25

Correct Answer: B

Explanation:

B

Difficulty: Easy

Category: Passport to Advanced Math / Exponents

Strategic Advice: Raising large numbers to high powers is very time-consuming without a calculator. Instead, start by using the rules of exponents to simplify expressions written in the same base. Then raise any remaining numbers to the resulting powers.

Getting to the Answer: The power of 25 is larger in the denominator, so subtract the exponents there. Then simplify further if possible:, which is (B).

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