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Key Quiz 1.2
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1
Approximately how many cm are there in 10 yards?
A)90
B)144
C)900
D)25.4
2
If the forecast for Miami is 95oF, what is the approximate forecast in Celsius?
A)220oC
B)20oC
C)40oC
D)32.5oC
3
Approximately how many pounds will a truck carrying 15,000 lbs have to lose before it can cross a bridge with a load-bearing capacity of 6,000 kg?
A)1,800 lbs
B)None. The bridge will not collapse anyway.
C)818 lbs
D)9,000 lbs
4
Which provides better value: a 2 L bottle of soda selling for $3.00 or a gallon jug selling for $5.00?
A)The bottle.
B)The gallon jug.
C)They both provide about the same value.
D)There is not enough information to solve the problem.
5
Which of the following describes a situation when an exact conversion would be preferred to an approximate one?
A)A salesman uses a map measured in miles to figure out how much gas he’ll need to buy.
B)Someone researching a trip to Florida wants to compare temperatures among various locations.
C)A scientist is converting data from one study into data she will use for another project.
D)A chef is using a recipe and has to convert from cups to mL.





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