2[rt]^4 Would my answer be 2rt^4?

A) 2rt^4 B) 20t^5 C) 4^5t D)4t^5

The answer that i got does not match any of the options.

Is the question that you posted correct ?

I have to say your one of my favorite tutors, because you are kind when responding. No I have made a mistake.

2(rt)^4

A) 2RT^4 B)2R^4T^4 C)2^4R^4T^4 D) 2R^4T

Thank you :)

So the answer is B)

If you have any doubt please do ask.

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