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You are here: Home / ACT Practice Questions / Fractional Exponents: ACT Math Practice Question

Fractional Exponents: ACT Math Practice Question

August 4, 2022 Leave a Comment

 

Try the following ACT math practice question that tests your understanding of manipulating fractional exponential expressions.

If $x$ is a positive number, which of the following is equivalent to $x^{\frac{5}{2}}$ ?

  1. $x^2 \sqrt{x}$
  2. $x (\sqrt{x})^3$
  3. $\displaystyle \frac{x^3}{\sqrt{x}}$
  1. $\quad \textrm{I and II only}$
  2. $\quad \textrm{I and III only}$
  3. $\quad \textrm{II and III only}$
  4. $\quad \textrm{I, II, and III}$
  5. $\quad \textrm{None}$

Choice D

 

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