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Fudgin [204]
3 years ago
11

Find the product. Write your answer in exponential form. 5^7•5^-9•5^-5

Mathematics
1 answer:
MissTica3 years ago
4 0

5^7 = 5 × 5 × 5 × 5 × 5 × 5 × 5 = 78,125

5^-9 = 5 ÷ 5 ÷ 5 ÷ 5 ÷ 5 ÷ 5 ÷ 5 ÷ 5 ÷ 5 = 0.000000512

5^-5 = 5 ÷ 5 ÷ 5 ÷ 5 ÷ 5 = 0.00032

78,125 × 0.000000512 × 0.00032 = 0.0000128‬

Answer: 0.0000128‬ or 1.28 x 10^-5

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