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01-04-2020
Mathematics

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simplify:
[tex] {5}^{ - 8} \times {5}^{4} [/tex]

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01-04-2020

Answer:

5^ -4 or 1/ 5^4

Step-by-step explanation:

5^ -8 * 5^4

We know that a^b * a^c = a^(b+c)

5^ -8 * 5^4 = 5^(-8+4) = 5^ -4

We know that a^ -b = 1/ a^b

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