# Kilogram and Question

**Topics:**Kilogram, International System of Units, Litre

**Pages:**2 (593 words)

**Published:**January 17, 2012

Answer: 0.246 Question 5: What will be the cost in dollars for photocopies if you have 32 pages in a booklet, you need 175 booklets, and copies are 4.5 cents each? Answer: $252 Question 6: Which of the following is/are metric units of mass? i. Pound ii. Gram iii. Ounce iv. Kilogram v. Centigram Answer: ii, iv, and v Question 7: Which of the following is/are metric units of volume? i. mL ii. L iii. cm3 iv. m v. kg Answer: i, ii, and iii Question 8: Convert 373 liters to milliliters, centiliters, and kiloliters. Answer: 373,000 mL, 37,300 cL, 0.373 kL Question 9: Convert 5.01 x 103 cm to km, m, and mm. Answer: 5.01 x 10-2 km, 5.01 x 101 m, 5.01 x 104 mm

Question 10: How many significant figures are in each of the following quantities? i. 0.00062 kg ii. 0.720 in. iii. 4.150 x 103 s iv. 0.305 m3 Answer: i. 2 ii. 3 iii. 4 iv. 3 Question 11: Round off each of the following quantities to two significant figures: i. 32,175,000 µm ii. 3.3000 x 107 kg iii. 0.04721 m iv. 8751 cm3 Answer: i. 3.2 x 107 µm ii. 3.3 x 107 kg iii. 0.047 m iv. 8.8 x 103 cm3 Question 12: An empty crucible has a mass of 25.70 g. After some copper(II) sulfate pentahydrate is added, the mass is 28.855 g. What is the mass of the copper(II) sulfate pentahydrate in the crucible? Answer: 3.16 g Question 13: Assuming that all are measured...

Please join StudyMode to read the full document