Question

What is the following product? 3 sqrt d x 3 sqrt d x 3 sqrt d

Answer 1

$\bf 3\sqrt{d}\times 3\sqrt{d}\times 3\sqrt{d}\implies (3)(3)(3)\sqrt{d\times d\times d}\\\\\\ 27\sqrt{d^2d}\implies 27d\sqrt{d}$

Answer 2

Answer: the first option, d.

Step-by-step explanation: