3 years ago

R t2. Simplify the expressionr stO D. r 15

1 answer:

6 0

$\frac{ r^{-3} s^{5} t^{2} }{ r^{2}s t^{-2} }= r^{-3-2} s^{5-1} t^{2-(-2)}= r^{-5} s^{4} t^{4}= \frac{s^{4} t^{4}}{ r^{5} }$
Answer: option C.

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