Question

Please help me

Answer 1

\[-4\sqrt[4]{5}*-\sqrt[4]{8}\]

Answer 2

you have to multiply your radicand:
\[-4\sqrt[4]{5}*-\sqrt[4]{8}=4\sqrt[4]{5*8}=4\sqrt[4]{40}\]

Answer 3

Oh

Answer 4

is that it?

Answer 5

yes!

Answer 6

Thanks

Answer 7

Thanks!