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Simplify using exponent laws and express as a single power of 3:
$(27 \times 9) / 3^{2}$
(Hint: write 27 and 9 as powers of 3 first.)

Class 7Laws of ExponentsNumber System

A $3^{3}$
B $3^{5}$
C $3^{7}$
D $3^{4}$

Step-by-Step Solution

27 =

3^{3}

and

9 = 3^{2}

, so numerator =

3^{3} \times 3^{2} = 3^{5}

. Then

3^{5} / 3^{2} = 3^{5 - 2} = 3^{3}

.

Answer: A)

3^{3}

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