ISEE Word Problems Question 160: Answer and Explanation

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Question: 160

7. = ?

A. 0
B. 1
C.
D.

Correct Answer: C

Explanation:

The answer is C

Any base to the zero power equals 1. So c⁰ = 1, so c will not appear in the simplified answer. When an exponential term is raised to a power, multiply the exponents. The power applies to both terms inside the parentheses. (ab)⁴ = (a⁴)(b⁴). With like bases, subtract the exponents when the terms are divided. = a^-1 or .

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