Practice problems

# Question
1 Write 645 in Roman numerals.
2 Write DCCC in Arabic numbers.
3 If an antibiotic suspension is 275 mg/5 ml, calculate the dose that will give you 485 mg.
4 If the cost of 65 vials is $ 390, what would be the cost of 16 vials?
5 If 450 ml of 54 % v/v solution is diluted to 1300 ml, what is the % strength v/v of the diluted solution?
6 The dose of an antibiotic is 23 mg/kg, it comes as a suspension with a strength of 275 mg/5 ml, , calculate the dose for a 24 pound child.
7 How many significant figures are in the number 3.06 ?
8 Round 52.927 to three significant figures.

Answers

The Answer to question 1 is: DCXLV

The Answer to question 2 is: 800

The Answer to question 3 is: 8.82 ml

The Answer to question 4 is: $ 96.00

The Answer to question 5 is: 18.69 % v/v

The Answer to question 6 is: 4.56 ml

The Answer to question 7 is: 3

The Answer to question 8 is: 52.9