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Multiple Choice
1. How many significant digits are there in 600.0 miles?
a. 1
b. 3
c. 4
d. 2
2. How many significant digits are there in 0.00060700 cm3?
a. 5
b. 3
c. 6
d. 8
3. Which of the following has six significant digits?
a. 56.0000 km
b. 560,000 km
c. 0.000056 km
d. 0.00005600 km
4. Place 2.24 x 104 in a form not in scientific notation.
a. .000224
b. .00224
c. 2,240
d. 22,400
5. Which of the following represents .0000307 in scientific notation?
a. 3.07 x 104
b. 3.07 x 10-5
c. 3.07 x 105
d. 3.07 x 10-4
6. Which of the following represents 605,000,000 in scientific notation?
a. 6.05 x 10-8
b. 6.05 x 108
c. 6.05 x 106
d. 6.05 x 10-6
7. Calculate (1.1 x 102)(2.2 x 10-8)(3.3 x 102)(4.6 x 10-8)
a. 3.67 x 10-7
b. 3.67 x 1021
c. 3.67 x 10-11
d. 3.67 x 101
8. Calculate
a. 8.94 x 10-7
b. 4.47 x 105
c. 8.11 x 10-7
d. 8.11 x 105
9. Calculate the square root of 24.9.
a. 5.42
b. 12.5
c. 4.99
d. 620
10. Calculate (2.45)(4.3)6(3.9).
a. 1.22 x 101
b. 4.81 x 109
c. 2.64 x 102
d. 6.04 x 104
11. Ammonium oxalate is used in the manufacture of explosives. It has density of 1.5 g/cm3. What is the mass of 450 cm3 of this substance?
a. 6.75 x 102 g
b. 3.33 x 10-3 g
c. 6.75 g
d. 6.75 x 102 g/cm3
12. What is the density of a piece of cork that has a mass of .650 g and a volume of 2.71 cm3?
a. 2.40 x 102 g/cm3
b. 1.76 g/cm3
c. 2.40 x 10-1 g/cm3
d. 4.17 g/cm3
13. What is the volume of a tank that can hold 4.57 x 102 g of methanol, which is used in windshield washer solution? The density of methanol is .789 g/cm3.
a. 1.72 x 10-3cm3
b. 5.79 x 102cm3
c. 3.61 x 102cm3
d. 5.79 cm3
14. Limestone has a density of 2.72 g/cm3. What is the mass of 38.6 cm3 of limestone?
a. 1.05 x 102 g
b. 7.05 x 10-2 g
c. 1.05 x 101 g
d. 1.42 x 101 g
15. What is the name of the metric prefix that has the symbol μ?
a. milli
b. Mega
c. micro
d. meter
16. What is the power of ten for the metric prefix Tera?
a. 109
b. 1012
c. 103
d. 106
17. Convert 8.91 L to cm3.
a. 8.91 cm3
b. 8.91 x 103cm3
c. 8.91 x 10-3cm3
d. 8.91 x 102cm3
18. Convert 5.36 pm to cm.
a. 5.36 x 1010 cm
b. 5.36 x 10-9 cm
c. 5.36 x 10-10 cm
d. 5.36 x 10-4 cm
19. Convert 2.45 m3 to cm3.
a. 2.45 x 102 cm3
b. 2.45 x 108 cm3
c. 2.45 x 10-6 cm3
d. 2.45 x 106 cm3
20. Convert .0572 mg/mL to ng/L.
a. 5.72 x 107 ng/L
b. 5.72 x 109 ng/L
c. 5.72 x 10-11 ng/L
d. 5.72 x 10-5 ng/L
21. Convert 9.34 g to oz (1 oz = 28.4 g).
a. 2.64 x 102 oz
b. 3.77 x 10-1 oz
c. 3.04 oz
d. 3.29 x 10-1 oz
22. Convert 1.47 km/h to mm/s.
a. 5.29 x 109 mm/s
b. 4.08 x 102 mm/s
c. 5.29 x 10-3 mm/s
d. 4.08 x 10-10 mm/s
23. If your heart beats at 1.2 beats per second, how many times will it beat during your homecoming date of 4 hours? (For some of you, sitting next to the opposite sex for this long will cause your heart to beat much faster than this.)
a. 1.73 x 104 heartbeats
b. 4.8 heartbeats
c. 1.2 x 104 heartbeats
d. 1.33 x 10-3 heartbeat
24. Jessica measured the width of her garage to be 8.50 yards. How many centimeters is this? (2.54 cm = 1 inch)
a. 2.55 x 101 cm
b. 7.77 x 102 cm
c. 3.06 x 102 cm
d. 1.20 x 102 cm
Multiple Choice
1. How many significant digits are there in 600.0 miles?
a. 1
b. 3
c. 4
d. 2
2. How many significant digits are there in 0.00060700 cm3?
a. 5
b. 3
c. 6
d. 8
3. Which of the following has six significant digits?
a. 56.0000 km
b. 560,000 km
c. 0.000056 km
d. 0.00005600 km
4. Place 2.24 x 104 in a form not in scientific notation.
a. .000224
b. .00224
c. 2,240
d. 22,400
5. Which of the following represents .0000307 in scientific notation?
a. 3.07 x 104
b. 3.07 x 10-5
c. 3.07 x 105
d. 3.07 x 10-4
6. Which of the following represents 605,000,000 in scientific notation?
a. 6.05 x 10-8
b. 6.05 x 108
c. 6.05 x 106
d. 6.05 x 10-6
7. Calculate (1.1 x 102)(2.2 x 10-8)(3.3 x 102)(4.6 x 10-8)
a. 3.67 x 10-7
b. 3.67 x 1021
c. 3.67 x 10-11
d. 3.67 x 101
8. Calculate
a. 8.94 x 10-7
b. 4.47 x 105
c. 8.11 x 10-7
d. 8.11 x 105
9. Calculate the square root of 24.9.
a. 5.42
b. 12.5
c. 4.99
d. 620
10. Calculate (2.45)(4.3)6(3.9).
a. 1.22 x 101
b. 4.81 x 109
c. 2.64 x 102
d. 6.04 x 104
11. Ammonium oxalate is used in the manufacture of explosives. It has density of 1.5 g/cm3. What is the mass of 450 cm3 of this substance?
a. 6.75 x 102 g
b. 3.33 x 10-3 g
c. 6.75 g
d. 6.75 x 102 g/cm3
12. What is the density of a piece of cork that has a mass of .650 g and a volume of 2.71 cm3?
a. 2.40 x 102 g/cm3
b. 1.76 g/cm3
c. 2.40 x 10-1 g/cm3
d. 4.17 g/cm3
13. What is the volume of a tank that can hold 4.57 x 102 g of methanol, which is used in windshield washer solution? The density of methanol is .789 g/cm3.
a. 1.72 x 10-3cm3
b. 5.79 x 102cm3
c. 3.61 x 102cm3
d. 5.79 cm3
14. Limestone has a density of 2.72 g/cm3. What is the mass of 38.6 cm3 of limestone?
a. 1.05 x 102 g
b. 7.05 x 10-2 g
c. 1.05 x 101 g
d. 1.42 x 101 g
15. What is the name of the metric prefix that has the symbol μ?
a. milli
b. Mega
c. micro
d. meter
16. What is the power of ten for the metric prefix Tera?
a. 109
b. 1012
c. 103
d. 106
17. Convert 8.91 L to cm3.
a. 8.91 cm3
b. 8.91 x 103cm3
c. 8.91 x 10-3cm3
d. 8.91 x 102cm3
18. Convert 5.36 pm to cm.
a. 5.36 x 1010 cm
b. 5.36 x 10-9 cm
c. 5.36 x 10-10 cm
d. 5.36 x 10-4 cm
19. Convert 2.45 m3 to cm3.
a. 2.45 x 102 cm3
b. 2.45 x 108 cm3
c. 2.45 x 10-6 cm3
d. 2.45 x 106 cm3
20. Convert .0572 mg/mL to ng/L.
a. 5.72 x 107 ng/L
b. 5.72 x 109 ng/L
c. 5.72 x 10-11 ng/L
d. 5.72 x 10-5 ng/L
21. Convert 9.34 g to oz (1 oz = 28.4 g).
a. 2.64 x 102 oz
b. 3.77 x 10-1 oz
c. 3.04 oz
d. 3.29 x 10-1 oz
22. Convert 1.47 km/h to mm/s.
a. 5.29 x 109 mm/s
b. 4.08 x 102 mm/s
c. 5.29 x 10-3 mm/s
d. 4.08 x 10-10 mm/s
23. If your heart beats at 1.2 beats per second, how many times will it beat during your homecoming date of 4 hours? (For some of you, sitting next to the opposite sex for this long will cause your heart to beat much faster than this.)
a. 1.73 x 104 heartbeats
b. 4.8 heartbeats
c. 1.2 x 104 heartbeats
d. 1.33 x 10-3 heartbeat
24. Jessica measured the width of her garage to be 8.50 yards. How many centimeters is this? (2.54 cm = 1 inch)
a. 2.55 x 101 cm
b. 7.77 x 102 cm
c. 3.06 x 102 cm
d. 1.20 x 102 cm