The problem asks to find the volume of a rectangular prism with given dimensions: length = 5 mm, width = 1.4 mm, and height = 4 mm. We need to provide the answer in cubic millimeters.

1. Problem Description

The problem asks to find the volume of a rectangular prism with given dimensions: length = 5 mm, width = 1.4 mm, and height = 4 mm. We need to provide the answer in cubic millimeters.

2. Solution Steps

The formula for the volume $V$ of a rectangular prism is:

$V = l \times w \times h$

where $l$ is the length, $w$ is the width, and $h$ is the height.

Substitute the given values into the formula:

$V = 5 \text{ mm} \times 1.4 \text{ mm} \times 4 \text{ mm}$

$V = 5 \times 1.4 \times 4 \text{ mm}^3$

$V = 7 \times 4 \text{ mm}^3$

$V = 28 \text{ mm}^3$

3. Final Answer

28