Question

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Answer 1

0.4r??

Answer 2

What are you trying to solve for? There is no equation written. Are you just trying to expand it?

Answer 3

\[\frac{ 4r^2(2t-3)^3 }{25 }\]

Answer 4

Ok. Try distributing the exponent across each factor inside the parentheses.

So you will have

\[2^{3} * (t^{-3})^{3} * (0.4)^{2}r^{2}\]

Answer 5

What you have written is correct. Next you should write out what 2^3 is and what 0.4^2 is. And do you know how to handle a negative exponent ?

Answer 6

Yes, that will do it :) What do you get as a final answer?

Answer 7

Yep!

Answer 8

Ha, np. Best of luck with your studies