Final answer:
To convert 3 fluid ounces to milliliters, multiply by the conversion factor.
Step-by-step explanation:
To convert 3 fluid ounces to milliliters, we need to know the conversion factor between fluid ounces and milliliters. One fluid ounce is approximately equal to 29.5735 milliliters. So, to convert 3 fluid ounces to milliliters, we can multiply 3 by the conversion factor:
3 fluid ounces * 29.5735 milliliters/fluid ounce = 88.7205 milliliters
Therefore, the nurse would get approximately 88.7205 milliliters as the metric system equivalent of 3 fluid ounces.