The fastest way is to just use a scientific calculator.
To do it without a calculator, use prime factorization.
I'll only do the second one which is the answer.
27 x 8
= 3^3 x 2^3 = 6^3
Which is a perfect cube.
The only answer that makes sense to me is B.
Answer there is no choice, but it is x+1/3+2 1/2.
Step-by-step explanation:
Answer: C
I hope this helps. Lol I solved it easily. Good luck
