Which choice represents the simplified exponential expression? (9^7)^4

1 answer:

4 0

Answer:

$9^{28}$

Step-by-step explanation:

using the rule of exponents

$(a^{m}) ^{n}$ = $a^{mn}$ , then

$(9^7)^{4}$ = $9^{7(4)}$ = $9^{28}$

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