Does anyone know how to solve this

Jorg Ancrath asked Dec 19, 2023

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12 votes

Jorg Ancrath asked Dec 19, 2023

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22 votes

I WILL USE THE LAWS OF EXPONENTS WHEN WE MULTIPLY POWERS OF THW SAME BASES WE KEEP ONE POWER AND ADD THE EXPONENTS.

$= 7^( - 5) * 7^(2) \\ = {7}^( - 5 + 2) \\ = {7}^( - 3) \\ = \frac{1}{ {7}^(3) } \\ = (1)/(343)$

ATTACHED IS THE SOLUTION

Ammaroff answered Dec 23, 2023

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