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WorksheetsDimensional Analysis
Total questions: 10
Worksheet time: 41mins
Name
Class
Date
1.
You know 1000 mg = 1 g. Convert 2.5 grams into milligrams.
a)
25 mg
b)
25,000 mg
c)
250 mg
d)
2500 mg
2.
How many kilograms of calcium are there in 173 pounds of calcium? (1 pound = 454 grams; 1 kg = 1000 g)
a)
1.10 kg
b)
78.5 kg
c)
110 kg
d)
78500 kg
3.
Convert 62 miles/hour to feet/second
a)
5,456 feet/second
b)
.003 feet/second
c)
90.9 feet/second
d)
909 feet/second
4.
What unit should be in the denominator of the conversion factor?
a)
yards
b)
leagues
c)
feet
d)
fathoms
5.
What unit should be in the numerator of the conversion factor?
a)
yards
b)
leagues
c)
feet
d)
fathoms
6.
Gas costs $3.05 a gallon, and your car travels at 27 miles for each gallon of gas. How far can you travel in your car with $95 in your pocket?
a)
11 miles
b)
840 miles
c)
7800 miles
d)
870 miles
7.
If you are converting 490 grams to pounds, which 2 of the following conversion factors would you use?
a)
28.3 grams = 1 ounce
b)
16 ounces = 1 lb.
c)
1 lb = 0.45 kg
d)
1 kg = 2.2 lbs
8.
All conversion factors are equal to _______.
a)
zero
b)
one
c)
ten
d)
original units
9.
Which conversion fraction would be needed from this starting amount?
a)
b)
c)
10.
A child weighs 40.0 lb and is to receive 0.10 mg of an antibiotic for each kg of body weight. How many milligrams of the antibiotic shall the child receive? 1 kg = 2.2 lbs
a)
18.1 mg
b)
181 mg
c)
0.181 mg
d)
1.81 mg
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