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stiv31 [10]
3 years ago
11

Please help me on this!

Mathematics
1 answer:
I am Lyosha [343]3 years ago
4 0

Answer:

7^-5

Step-by-step explanation:

7^4.7^-9

when multiplying the same base, add the powers

7^4+(-9)

7^4-9

7^-5

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