PSAT Math : How to find a ratio of exponents

Study concepts, example questions & explanations for PSAT Math

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Example Questions

Example Question #114 : Exponents

If  and are positive integers and , then what is the value of ?

Possible Answers:

Correct answer:

Explanation:

43 = 64

Alternatively written, this is 4(4)(4) = 64 or 43 = 641.

Thus, m = 3 and n = 1.

m/n = 3/1 = 3.

Example Question #115 : Exponents

Write the following logarithm in expanded form:

 

Possible Answers:

Correct answer:

Explanation:

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