Question

Howard's pencil is 75 cm long. How many millimeters long is Howard's pencil?

Answer 1

Howard's pencil is 750 millimeters

Explanation:

`\begin{array}l\underline{km~}\\~~~~~\underline\\~~~~~~~~~~~\underlinedam~~~~~~~~\\warrow~/10\\~~~~~~~~~~~~~~~~~\underlinem~~\\~~~~~~~~~~\searrow~~~~~~~\underline\\~~~*10~~~~~~~~~~~~~~~~~~\underline\\\underline~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\end{array}\\~~~~~~~~~~~\rm Converting ~Length ~ Unit`
`~`

Step-by-step:

75 cm = 75 × 10 mm

75 cm = 750 mm