ASVAB Arithmetic Reasoning Practice Test 636474

Question 4 of 5
Multiplying & Dividing Radicals

To multiply or divide radicals, multiply or divide the coefficients and radicands separately: \(x\sqrt{a} \times y\sqrt{b} = xy\sqrt{ab}\) and \({x\sqrt{a} \over y\sqrt{b}} = {x \over y}\sqrt{a \over b}\)

What is 4\( \sqrt{2} \) x 8\( \sqrt{4} \)?

32\( \sqrt{6} \)
32\( \sqrt{4} \)
64\( \sqrt{2} \)
32\( \sqrt{2} \)