Round the numbers to 3 significant figures 15,432 15,000 0.002539 0.00234 Perfor
ID: 1009363 • Letter: R
Question
Round the numbers to 3 significant figures 15,432 15,000 0.002539 0.00234 Perform the following calculations and round to the correct number of significant figures and display the proper units. 4.05 m times 0.6078 m = 7.758 in + 0.15 in = If a drop of blood is 50. Mu L (micro liters), how many drops of blood are in 2.00 mL? If I have 1.35 kg of olive oil and its density is 0.7406 g/mL how many liters of olive oil do I have? Children's Liquid Motrin contains 100.0 mg of the pain reliever ibuprofen per 5 mL. If the dose for a 20.0 pound child is 1.50 teaspoons, how many grams of ibuprofen would at 25 kilogram child receive?Explanation / Answer
2.
A. 15,432 = 1.54*10^4
B. 0.002539 = 0.00254
3.
A. 4.05*0.6078 = 2.46 m^2
B. 7.758 +0.15 = 7.91 in
4. one drop = 50 microliter
( 1 ml = 1000 micro liter)
No of drops = 2*1000/50 = 40 drops
5.
mass of oil = 1350/0.703 = 1920.34 ml
= 1.92 L
6. 100 mg per 5 ml
1.5teaspoon = 7.4 ml
mass of ibuprofen = 100*7.4/5 = 148 mg
= 0.148 grams
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