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Powers: Reverse Rules - Raising a Power to Another Power

If $$x^2=y$$, then $$x^6$$ must equal which of the following?

Incorrect. [[Snippet]]

Correct. [[Snippet]] Express $$x^6$$ in terms of $$x^2$$. >$$x^6= (x^2)^3$$ Since $$x^2=y$$, you can conclude that $$(x^2)^3 = y^3$$. Hence, this is the correct answer.

Incorrect. [[Snippet]]

$$2y$$

$$3y$$

$$2y^2$$

$$y^3$$

$$2y^3$$