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PLS HELP ASAP!!!!!!!!!!!!!!!!!

PLS HELP ASAP!!!!!!!!!!!!!!!!!-example-1
User Cgl
by
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1 Answer

3 votes

Answer:

Last option

Explanation:


r^(-7) = (1)/(r^(7) )\\ \\s^(-12)= (1)/(s^(12) )

User Yannick MG
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