3 years ago

I need to Simplify (3mn)^4

1 answer:

3 0

9514 1404 393

Answer:

81m^4·n^4

Step-by-step explanation:

"Simplify" in this context means "remove parentheses." The applicable rule of exponents is ...

(ab)^c = (a^c)(b^c)

$(3mn)^4=3^4m^4n^4=\boxed{81m^4n^4}$

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