SOLUTION: write each equation below in simplest radical form. show your steps. 7. square root of 4x to the 8th power 8. square root of 28 8. square root of 27a cubed please help!!!

Question 252919: write each equation below in simplest radical form. show your steps.
7. square root of 4x to the 8th power
8. square root of 28
8. square root of 27a cubed
please help!!!
Answer by drk(1908) (Show Source): You can put this solution on YOUR website!
write each equation below in simplest radical form. show your steps.
7. square root of 4x to the 8th power

we cab rewrite using fractional exponents as

this becomes

--
8. square root of 28
= = = 2* sqrt(7)
--
9. square root of 27a cubed
= = = 3asqrt(3a
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