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Lana71 [14]
3 years ago
13

What is the value of x in the expression

Mathematics
1 answer:
kvv77 [185]3 years ago
8 0

Answer:

-12

Step-by-step explanation:

7^{-9} * 7^{-3} = 7^{(-9)+(-3)} = 7^{-12}

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