Round off the following
numbers to three significant
digits:
4.53619
Round off the following
numbers to three significant
digits:
5.457
Round off the following
numbers to three significant
digits:
43.659
Round off the following
numbers to three significant
digits:
876493
Round off the following
numbers to three significant
digits:
0.0008769
Perform the following
operations giving the proper
number of significant figures in
the answer. Watch your units.
23.4 cm × 1423.4 cm × 14 cm
Perform the following
operations giving the proper
number of significant figures in
the answer. Watch your units.
0.005 in - 0.0007 in
Perform the following
operations giving the proper
number of significant figures in
the answer. Watch your units.
0.0945 m x 1.4700 m
Perform the following
operations giving the proper
number of significant figures in
the answer. Watch your units.
0.2 grams ÷ 0.0005 mL
Perform the following
operations giving the proper
number of significant figures in
the answer. Watch your units.
7.895 ft + 34 in
Perform the following
conversions giving the proper
number of significant figures in
the answer. Watch your units.
The average distance from the
thumb to the little finger is 6
inches. Convert this to
centimeters.
Perform the following
conversions giving the proper
number of significant figures in
the answer. Watch your units.
A condor has a wing span of 3.05
m. What is the wing span in feet?
Perform the following
conversions giving the proper
number of significant figures in
the answer. Watch your units.
According to the Guinness Book of
Records the heaviest baby ever
born weighed 29 lbs 4 oz (29.25
lbs). What was the baby’s mass in
kg?
Perform the following
conversions giving the proper
number of significant figures in
the answer. Watch your units.
Cross country skis are 210 cm
long. What is their length in
inches?
Perform the following
conversions giving the proper
number of significant figures in
the answer. Watch your units.
In Europe gasoline is sold by the
liter. Assume that it takes 11.2
gallons of gasoline to fill the tank
of a compact car. How many liters
of gasoline will it take?
Perform the following
conversions giving the proper
number of significant figures in
the answer. Watch your units.
A 1.6 oz. of package of cinnamon and
spice instant oatmeal contains 34 g of
carbohydrates. If you had instant
oatmeal 6 days a week, how many
ounces of carbohydrate would you
consume in a week?
Perform the following
conversions giving the proper
number of significant figures in
the answer. Watch your units.
What is the density of an object
that has a mass of 85.0 g and a
volume of 23.7mL?
Perform the following
conversions giving the proper
number of significant figures in
the answer. Watch your units.
1.100 g/mL to lbs/gal
Perform the following
conversions giving the proper
number of significant figures in
the answer. Watch your units.
If the RDA for vitamin C is 60 mg per
day and there are 70 mg of vitamin C
per 100 g of orange, how many 3 oz.
oranges would you have to eat each
week to meet this requirement?
Perform the following
conversions giving the proper
number of significant figures in
the answer. Watch your units.
What will be the mass of 50 mL of
a substance with a density of
0.73 g/ mL?
Perform the following
conversions giving the proper
number of significant figures in
the answer. Watch your units.
What is the density of a cube with
dimensions of 1.5 cm x 7.500 cm x
3.0 cm and a mass of 17.0 g and
is?