[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.

1. 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?
2. A drug is administered at a rate of 14.5 cL/hour.  What is this rate in µL/s?
3. An automobile tire has a pressure of 32 psi (pounds/in.²). What is this pressure in g/cm²? (1 lb ˜ 454 g, 1 in. = 2.54 cm)
4. The density of propane is 36.28 lb/ft³.  Convert this to kg/m³.  (1 lb ˜ 454 g, 1 in. = 2.54 cm)

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