Mathematics Test—No Calculator - The College Board

Since 2 and 8 are both powers of 2, substituting 2 cubed for 8 in the numerator of the fraction 8 to the power . x, over 2 to the power . y. gives the fraction whose numerator is, parenthesis, 2 cubed, close parenthesis, to the power . x, and whose denominator is 2 to the power . y. which can be rewritten as the fraction 2 to the power 3 x ................
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