Two identical number cubes are shown in the picture. the edge length of these number cubes is 3 centimeters. what is the combined volume of the two number cubes in cubic centimeters? a 54cm3 b 18cm3 c 9cm3 d 27cm3

Hello There!

They are both identical cubes which makes it much easier. 
Work out the volume for just one first. 
The formula for volume is:
l x w x h
However, since it is a cube, all lengths are the same.
3 x 3 x 3 = 27
Now multiply it by 2 to get the volume of both combined:
27 x 2 = 54.

In short, your answer is option A. 54

Hope This Helps You!
Good Luck :) 

- Hannah ❤