SAT Math Multiple Choice Practice Question 348: Answer and Explanation

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Question: 348

18. If y is a number less than 0 but greater than -1, which of the following expressions has the greatest value?

A. 100 y
B. y2
C. y3
D. y4
E. y5

Correct Answer: B


This means that y is a negative decimal fraction. Answer choices (A), (C), and (E) will all be negative numbers. Answer choices (B) and (D) are positive numbers. When you raise a simple fraction to a positive number larger than 1, it gets smaller. , which makes (B) the greatest value. Pick a value like and see.

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