Question

What is the length of each side of a cube if the volume is 343 in3?

Answer 1

Hope this helps you :)

Answer 2

Volume of a cube = L × L × L
Volume of a cube = L³ 
L³ = 343
L = ∛343
   = 7 in.
To check your answer, 
7 × 7 × 7 = 343