Exam 1

How many significant figures are in the number 0.004560?

• 2

• 3

• 4

• 5

• 7.2576

• 7.26

• 7.3

• 7.26

Convert 5.0 kilometers to meters.

• 50 meters

• 500 meters

• 5000 meters

• 50000 meters

If a car travels at a speed of 60 miles per hour, what is its speed in feet per second? (1 mile = 5280 feet)

• 88 feet per second

• 90 feet per second

• 100 feet per second

• 110 feet per second

Which of the following statements is true about weight and mass?

• Weight is a measure of the amount of matter in an object, while mass is the force exerted by gravity.

• Mass is a measure of the amount of matter in an object, while weight is the force exerted by gravity.

• Weight and mass are the same and can be used interchangeably.

• Mass changes with location, while weight remains constant.

• 9.8 N

• 98 N

• 980 N

• 100 N

Which of the following is NOT a rule for determining significant figures?

• All non-zero digits are significant.

• Zeros between non-zero digits are significant.

• Leading zeros are significant.

• Trailing zeros in a number with a decimal point are significant.

All of the following have one significant figure except:

• 100 cm
• 0.0001 cm
• 2 cm
• 2.00 cm

Americans drink 5,604,000 gallons of sweet tea each day. How many liters is that? (1 gal = 3.79 L)

• 21,200,000 L

• 21,239,160 L

• 21,207,190.2 L

• 21,000,000 L

Complete the statement:
5 cm/min = ______ m/day
(100 cm = 1 m)

• 72
• 840
• 7.2
• 5,040,000