# HPRS 2300 Pharm Math.Basic Math Key (1).docx - HPRS 2300...

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HPRS 2300: Pharmacology Math Chapter 8 (Principles of Math in Medicine) 1. Convert the following Arabic numbers to Roman numerals. a. 25 __XXV_____ b. 107 __CVII __ c. 99 __XCIX __ 2. Convert the following Roman numerals to Arabic numbers.
3. Calculate the following decimal fractions.
c. 3.002 x 0.05 = __0.1501 __ d. 25.3 ÷ 6.76 = _3.7426 __ 4. Calculate the following fractions.
c. 2/5 x ¾ = ___3/10 __ d. 3/8 ÷ 1/6 = 9/4 or 2.25 5. Change the following fractions to a decimal.
b. 1/250 = _0.004 ___ c. 1/500 = __0.002 __ 6. Change the following decimals to a fraction.
b. 0.06 = _3/50 __ 7. Change the ratios to fractions and then reduce to lowest terms.
b. 6:8 = __3/4 ___ c. 4:7 = __4/7 ___ 8. Convert the following into “regular” time. Be sure to specify “am” or “pm”.
b. 0455 = _4:55am ____ 9. Convert the following into military time. a. 11:30 pm __2330 ___ b. 1:05 am __0105 ____ 10.Round 6.2335 to the nearest tenth. _6.2 __
Chapter 9 (Measurement Systems and Their Equivalents)