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Chapter 2: Q.2.104 (page 25)
The distance between the two cities is 1700km. How long will it take, in hours, to drive from one city to the other if your average speed is 63mi/h?
hrs
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Round off each of the following calculator answers to three significant figures:
a. b.
c. d.
e..
Write the equality and two conversion factors for each of the following pairs of units:
(a) centimeters and inches
(b) kilometers and miles
(c) pounds and grams
(d) quarts and liters
Why can two conversion factors be written for an equality such as ?
A -g silver object and a -g gold object are both added to of water contained in a graduated cylinder. What is the new water level, in milliliters, in the cylinder (see Table 2.8) ? (2.7)
To treat a bacterial infection, a doctor orders tablets of amoxicillin per day for days. If each tablet contains mg of amoxicillin, how many ounces of the medication are given in days? (2.6)
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