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boyakko [2]
2 years ago
13

7x7-9exponent x 7 7exponent

Mathematics
1 answer:
Ksivusya [100]2 years ago
6 0
7 x 7 (-9) exponent x 7(7) exponent:
7 * 7 ^{-9}* 7 ^{7}= \\ =7 ^{1-9+7}= \\ =   7  ^{-1} = 1/7
Answer: 1/7
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