Which of the following is the radical expression of 4 times d to the three eighths power?

4 times the eighth root of d to the third power

4 times the third root of d to the eighth power

eighth root of 4 d to the third power

third root of 4 d to the eighth power

I think it's the second one

Question

Which of the following is the radical expression of 4 times d to the three eighths power? 

4 times the eighth root of d to the third power

4 times the third root of d to the eighth power

eighth root of 4 d to the third power

third root of 4 d to the eighth power 

I think it's the second one

anonymous · Answer

It could be the second one but it could also be a trick question. :P

anonymous · Answer

4 times the eighth root of d to the third power

anonymous · Answer

why is it that?

anonymous · Answer

$$4\sqrt[8]{d^{3}}$$

anonymous · Answer

fraction powers are nominator=power, denominator=root