Answer:
Explanation:
The correct answer to this problem is B because if u take -3 + 7 it's 4 so the just keep your 3 and put 4 on top
3^4
When you're multiplying exponents use this rule:
n^a * n^b = n^(a + b)
so,
3^(-3) * 3^(7) = 3^(-3 + 7) = 3^4
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