Conversions / Prefixes
The Prefix "Kilo-" means a unit is __________ times larger than the base unit.
103 or 1,000
How many significant figures does the number "1,178" have?
4
How many seconds are in 1 hour?
3,600
What is the equation for density?
D = m/v
The unit "cc" is equivalent to which other unit?
mL
How many Significant Figures are in the number "2,004."
4
Convert 15mm to m.
0.015
What is the density of a molecule that has the following charatcteristics:
V= 15mL
M= 5g
D = 0.333 g/ mL
The prefix "da-" signals the number is _________ times larger than the base unit.
10
How many estimated digits are included when counting significant figures?
1
A balloon has a volume of 3500 cm3. What is the volume in liters?
3.5L
What is the density of the following?
M = 275 g
V= 14.3 cm3
19.23 g/ mL
1 nm = how many meters? (Written out).
0.000000001 m
Put 0.0028 in 3 Significant Figures.
2.80 x 10-3
The daily value of phosphorus is 800 mg. How many grams of phosphorous are recomended?
0.8g
The density of an object is 0.543 g/ mL. If the object weighs .2 grams, what is the volume?
0.36 mL
Put the list of Prefixes (the ones you need to know) in order from least to greatest, and how they affect the base unit. (Ex. kilo = k = 103 )
Refer to Chart in notes.
How many significant figures?
0015.0028470
9
The daily dose of ampicillin for the treatment of an ear infection of a child is 115 mg/kg of body weight. What is the daily dose for a 34-lb child? (2.2lb = 1kg).
1800mg
What is the specific density of an object with a density of 0.576 g/ mL using the standard of water?
0.576 g/mL