Question

A rectangular prism has a length of 3 1/2 m, a width of 4 1/2 m, and a height of 2 m. Which expressions can be used to find the volume of the prism? Select each correct answer.


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Answer 1

Hey there :)

We know the volume formula of a prism is :
Volume = length × width × height

We are given:
Width = $4 \frac{1}{2}$ m = 4.5 m
Length = $3 \frac{1}{2}$ m = 3.5 m
Height = 2 m

Apply the formula and see which expressions look alike
V = $3\frac{1}{2}$ × $4 \frac{1}{2}$ × 2
   = 31.5 m³

The first expression is a right answer

$4 \frac{1}{2}$ × $3 \frac{1}{2}$ × 2
$15 \frac{3}{4}$ × 2

Another right expression is the last expression