**[View the accompanying Lesson on Compound Unit Conversions here.]**

**[Download the accompanying PDF worksheet here.]**

Perform the following calculations, being sure to give the answer with the correct number of significant digits.

- A certain medication is set to deliver through an IV at a rate of 3.0 mg/min. What is this rate in ng/s?
- A drug is administered at a rate of 14.5 cL/hour. What is this rate in µL/s?
- An automobile tire has a pressure of 32 psi (pounds/in.
^{2}). What is this pressure in g/cm^{2}? *(1 lb ˜ 454 g, 1 in. = 2.54 cm)*
- The density of propane is 36.28 lb/ft
^{3}. Convert this to kg/m^{3}. *(1 lb ˜ 454 g, 1 in. = 2.54 cm)*

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