Arectangular prism with a volume of 666 cubic units is filled with cubes with side lengths of \dfrac12 2 1 ? start fraction, 1, divided by, 2, end fraction unit. how many \dfrac12 2 1 ? start fraction, 1, divided by, 2, end fraction unit cubes does it take to fill the prism?

Step-by-step explanation:

we know that

The volume of the rectangular prism is equal to

step 1

Find the volume of one cube

The volume of the cube is equal to

where

b is the side length of the cube

we have

substitute

step 2

To find out the number of cubes needed to fill the prism, divide the volume of the rectangular prism by the volume of one cube

so

56

step-by-step explanation:

idk

step-by-step explanation:

i don't know