Practice problems

# Question
1 Write 1788 in Roman numerals.
2 Write MCMLXXXI in Arabic numbers.
3 If an antibiotic suspension is 450 mg/5 ml, calculate the dose that will give you 485 mg.
4 If the cost of 80 vials is $ 40, what would be the cost of 8 vials?
5 If 550 ml of 28 % v/v solution is diluted to 1650 ml, what is the % strength v/v of the diluted solution?
6 The dose of an antibiotic is 22 mg/kg, it comes as a suspension with a strength of 475 mg/5 ml, , calculate the dose for a 40 pound child.
7 How many significant figures are in the number 30 ?
8 Round 81.542 to three significant figures.

Answers

The Answer to question 1 is: MDCCLXXXVIII

The Answer to question 2 is: 1981

The Answer to question 3 is: 5.39 ml

The Answer to question 4 is: $ 4.00

The Answer to question 5 is: 9.33 % v/v

The Answer to question 6 is: 4.21 ml

The Answer to question 7 is: 2

The Answer to question 8 is: 81.5