1. -5Y^-2Z =
2. 1/4X^-3 =
Thank you for the opportunity to help you with your question!
First, we use this power law: U^-n = 1/U^n ; where n is the exponent or power of the base U.
So then we would have:
1.) -5Y^-2 Z = -5(1/Y^2)(Z) = (- 5Z)/(Y^2)
2.) 1/4X^-3 = (1/4)(1/X^3) = 1/(4X^3)
Please let me know if the second exercise is read like: 1/(4X^-3) or (1/4)X^-3.
I'm reading like 1/4X^-3 is 1/4 times X^-3 ---------> (1/4)X^-3
you read it correctly. The only issue I have is that the answers are really not any less simple than the original math problems.
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