1. Determine the number of significant figures:
1.20220 cm
A) 3 B) 4 C) 5 D) 6 E) 2 AB) exact
2. Determine the number of significant figures:
.20500 g.
A) 3 B) 4 C) 5 D) 6 E) 2 AB) exact
3. Determine the number of significant figures in the advertisement:
20510 bananas in a bunch.
A) 3 B) 4 C) 5 D) 6 E) 2 AB) exact
4. Determine the number of significant figures in the requirement:
1050 cars on the lot
A) 3 B) 4 C) 5 D) 6 E) 2 AB) exact
5. Determine the number of significant figures: 0.00305 milligrams
A) 3 B) 4 C) 5 D) 6 E) 2 AB) exact
6. Determine the number of significant figures: 401510 milligrams
A) 3 B) 4 C) 5 D) 6 E) 2 AB) exact
7. Determine the number of significant figures: 0.2050 milligrams
A) 3 B) 4 C) 5 D) 6 E) 2 AB) exact
8. Determine the number of significant figures: .020500 milligrams
A) 3 B) 4 C) 5 D) 6 E) 2 AB) exact
9. Determine the number of significant figures: 2.050 milligrams
A) 3 B) 4 C) 5 D) 6 E) 2 AB) exact
10. What is the proper scientific notation for .0021300 L?
A) 2.1300 x 10-3 L B) 2.1300 x 103 L C) 2.130 x 10-2 L
D) 2.13 x 10-3 L E) 2.13 x 103 L AB) 2.130 x 10-3 L
11. What is the proper scientific notation for 21300 L?
A) 2.130 x 10-4 L B) 2.130 x 104 L C) 2.130 x 104 L
D) 2.13 x 10-4 L E) 2.13 x 104 L AB) 2.13 x 10-3 L
12. What is the proper scientific notation for 2130.0 L?
A) 2.130 x 10-3 L B) 2.1300 x 103 L C) 2.130 x 10-2 L
D) 2.1300 x 10-3 L E) 2.13 x 103 L AB) 2.1300 x 10-2 L
Give the answer in the correct number of significant figures for the following calculations:
13. 4.523 cm x 2.560 cm =
A) 11.6 cm2 B) 11.57888 cm2 C) 11.579 cm
D) 11.58 cm
14. 4523 cm/2560 cm =
A) 1.77 cm B) 1.777 cm C) 1.77
D) 1.78 cm E) 1.77 cm2
15. 4.520 cm x 250 cm =
A) 1130. cm2 B) 1130 cm2 C) 1100 cm2
D) 11.30 cm2 E) 1130 cm AB) 1100 cm
16. 4.52 cm/2.500 cm =
A) 1.81 cm B) 1.808 cm C) 1.8
D) 1.81 E) 1.81 cm2 AB) 1.808
17. 4.5230 cm - 2.56 cm
A) 1.96 cm B) 1.963 cm C) 1.96
D) 1.963 E) 1.96 cm2 AB) 1.963 cm2
18. 4.520 cm - 2.500 cm =
A) 2.02 cm B) 2.020 cm C) 2.02
D) 2.020 E) 2.02 cm2 AB) 2.202 cm2
19. How many milliliters are in 3.25 kiloliters?
A) 3.250 mL B) 3.250 x 106 mL C) 3.250 x 10-6 mL
D) 3.25 mL E) 3.25 x 106 mL AB) 3.25 x 10-6 mL
20. 32500 milliliters is how many kiloliters?
A) 3.25 x 101 kL B) 3.25 x kL C) 3.25 x 10-2 kL
D) 3.25 x 10-3 kL E) 3.25 x 10-1 kL AB) 3.25 x 102 kL
21. How many meters are 65000. mm?
A) 6.500 m B) 6.50 m C) 65.000 m
D) 65.00 m E) .6500 m AB) .650 m
22. How many millimeters are 58.5 meters?
A) 5.850 x 104 mm B) 5.85 x 104 mm C) 5.850 x 103 mm
D) 5.85 x 103 mm E) 5.85 x 105 mm AB) 5.85 x 105 mm
23. How many meters are 585.0 millimeters?
A) .5850 m B) .585 m C) 5.850 m
D) 5.85 m E) .05850 m AB) .0585 m
1 ounce = 28.3495231 grams.
24. How many ounces are 45.60 grams?
A) 1293 oz B) 1608 oz C) 1292.7 oz
D) 1290 oz E) 1.608 oz AB) 1.6085 oz
25. How many grams are 45.60 ounces?
A) 1293 g B) 1292 g C) 1292.7 g
D) 1290 g E) 1608 g AB) 1.6085g