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12 votes
12 votes
Does anyone know how to solve this

Does anyone know how to solve this-example-1
User Jorg Ancrath
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1 Answer

22 votes
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

User Ammaroff
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