### Perform the following conversion and report the answer to the
correct number of significant figures.

### a) Determine the number of kilograms in 115 pounds might
require 2 unit conversion factors.

### Answer

### If we knew the unit conversion factor

### The calculation could have been completed with
only one conversion.

### You do not need to memorize the conversion
between pounds and grams. I'll give that on the test. You do need
to know the number of grams in a kilogram.