Question

Evaluate (root 7) multiply ( root 7) multiply ( root 7) multiply ( root 7)

Answer 1

$\sqrt{7} \times \sqrt{7} = { \sqrt{7} }^{2} = 7$
so the 7×7 will be49

Answer 2

hope you will understand this
it is quite easy

7^1/2*7^1/2*7^1/2*7^1/2
=7^1/2+1/2+1/2+1/2
=7^1+1+1+1/2=7^4/2
=7^2.
=49