Question

Which expression is equal to 27 ?

(A) 2 x 7
(B) 3 x 3
(C) 3 x 3 x 3
(D) 2 x 2 x 2 x 2 x 2 x 2 x 2

Answer 1

C

Explanation:

Process of elimination is the key here. Most people know that 3x3 is 9 and 2x7 is 21, so you can cross those off. 27 is not a multiple of 2, so you can cross that off. This leaves us with C. 3x3x3 is 27.

Answer 2

The answer is c because it equivalent to 27