Which is the a) the square root of 401 b) the cube root of 8000 c) 5 squared or d) 3

To find out the answer of this lets solve each answer first and then we will see which is the smallest. Lets do:-

A) √401 = 20.02498439
B) ∛8000 = 20 
C) 5² = 5 × 5 = 25
D) 3³ = 3 × 3 × 3 = 27

So the smallest of these numbers is B) the cube root of 8000. 

Hope i helped ya!!