(1 Point) How many millimeters are in \( 0.432 \mathrm{~km} ? \)

To convert kilometers to millimeters, you can use the fact that 1 kilometer equals 1,000,000 millimeters. So, to convert \( 0.432 \mathrm{~km} \) to millimeters, multiply \( 0.432 \) by \( 1,000,000 \): \[ 0.432 \mathrm{~km} = 0.432 \times 1,000,000 \mathrm{~mm} = 432,000 \mathrm{~mm} \] Therefore, there are \( 432,000 \mathrm{~mm} \) in \( 0.432 \mathrm{~km} \). Speaking of conversions, did you know that the metric system is used by almost every country in the world? It's a fancy and universal way of measuring things! Using metric units can make understanding measurements so much easier, especially when cooking or traveling abroad. For those who are more into DIY projects, get acquainted with a good conversion calculator! They can be a lifesaver when trying to finish a project on time. And remember, one common mistake is neglecting to keep track of your units - always write them down!