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The Deer Creek Aquarium has a special cube-shaped tank for its jellyfish. Each edge of the tank is $8$ meters long. $\newline$ Which equation can you use to find the volume of the tank, $V$ ? $\newline$ Choices: $\newline$ (A) $V = 8 \times 8 \times 8$ $\newline$ (B) $V = 8 + 8 + 8$ $\newline$ What is the volume of the tank? $\newline$ Write your answer as a whole number or decimal. Do not round. $\newline$ ____ cubic meters $\newline$

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Volume of cubes and rectangular prisms: word problems

Full solution

Q. The Deer Creek Aquarium has a special cube-shaped tank for its jellyfish. Each edge of the tank is

8

meters long.

\newline

Which equation can you use to find the volume of the tank,

V

?

\newline

Choices:

\newline

(A)

V = 8 \times 8 \times 8

\newline

(B)

V = 8 + 8 + 8

\newline

What is the volume of the tank?

\newline

Write your answer as a whole number or decimal. Do not round.

\newline

____ cubic meters

\newline

Identify formula for volume: Identify the correct formula for volume of a cube. Since each edge of the cube is $8$ meters, the volume $V$ is calculated by multiplying the length of an edge by itself three times. The correct choice is (A) $V = 8 \times 8 \times 8$ .
Calculate volume: Calculate the volume using the chosen formula. Volume = $8 \times 8 \times 8 = 512$ cubic meters.

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