Question

Which choice is equivalent to the product below?

2.-6.
O A. 42
OB. 85
O C. 8
O D. 4

Answer 1

8

Explanation:

sqrt(2) * sqrt(8) * sqrt(4)

We know that sqrt(4) = 2

We know sqrt(a) * sqrt(b) = sqrt(ab)

sqrt(2*8) * 2

sqrt(16) *2

Sqrt(16) =4

4*2

8