Answer:
9^5 (9 to the fifth power)
Explanation:
9 times 9 = 9^2
9 times 9 times 9 = 9^3
9 times 9 times 9 times 9 = 9^4
9 times 9 times 9 times 9 times 9 = 9^5
9^5
for every number that there is in this case 5 that is the exponent
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