Pls check:
use rational exponents to write single radical expression:
^4√8 * ^2√7 I have four ans to choose from:
I came up with ^4√392

Question

anonymous · Answer

Pls check:
use rational exponents to write single radical expression:
^4√8 * ^2√7 I have four ans to choose from:
I came up with ^4√392

anonymous · Answer

you got the correct answer here fourth root(sqrt392)

anonymous · Answer

but on you selected answers i dont see any correct one

anonymous · Answer

I sent all four through the equation editor 
when asked to solve the problem it gives you the four choices to choose from

anonymous · Answer

$$\sqrt[4]{392}$$ is the ans I have which is one of the choices

anonymous · Answer

fourth root(sqrt392)=2.10940882  by calculator,, you can check the selected answer using calculator whichever =2.10940882  is the correct one

anonymous · Answer

^4√8 * ^2√7
=4th root√8 * 2nd root√7
=4th root√8 * 4th root(7)
=4th root(7√8)
=4th root(14√2)
=4th root19.7989898
=2.109408824