Question

if the edge of a cube is 9 inches and the edges of a second cube is 7 inches , the difference in the volumes of these cubes is

Please explain with steps .

Answer 1

volume of cube first with sides 9 inches

V=(9)cube

V= 729

volume of second cube with sides 7 inches

V=(7)cube

V=343

difference between volume of two cubes

729-343

386

Answer 2

Difference between the volume of the cubes is 386 inches³

Step-by-step explanation:

We Have :-

Cube 1 -

Edge = 9 inches

Cube 2 -

Edge = 7 inches

To Find :-

Difference in the volume of Cube 1 and Cube 2

Formula Used :-

Volume of Cube = Side × Side × Side

Solution :-

Cube 1 -

Edge = 9 inches

Volume = Side × Side × Side

Volume = 9 × 9 × 9

Volume = 729 inches³

Cube 2 -

Edge = 7 inches

Volume = Side × Side × Side

Volume = 7 × 7 × 7

Volume = 343 inches³

Difference

Cube 1 - Cube 2

729 - 343 inches³

386 inches³

Difference between the volume of the cubes is 386 inches³