Which of the following are true about a conversion factor? Select all that apply. It is an expression of dosage strength divided by the ordered dose. The numerator is equal to the denominator. A conversion factor is used to cancel unnecessary units of measurement, leaving the desired unit. Honversion factors are expressed using only the metric units of measurements.

One fun fact about conversion factors is that they’re like the magic glue that holds different units together! Whether you're converting kilometers to miles or liters to gallons, these handy tools help us navigate through the metrics and ensure our calculations are as smooth as butter. They ensure we can accurately understand measurements in fields like cooking, science, and medicine. Speaking of units, a common mistake is misusing conversion factors by not paying attention to the units themselves. Always double-check that your conversion factor matches the units you’re working with. For example, you wouldn’t want to confuse milliliters and liters—imagine trying to pour a drink using the wrong measure. Mixups like that can lead to comically large or tiny mistakes, so stay sharp!