Chapter #2 Solutions - Physical Science with Modern Applications - Melvin Merken - 5th Edition

 

1. Express the following numbers in scientific notation.(a) 440.74(b) 1,200,000(c) 0.000263(d) 0.00145(e) 27,600(f) 0.182(g) 0.0000319(h) 83.7(i) 60,322,000(j) 7840 Get solution

2. Write out the following numbers in ordinary notation.(a) 8.92 × 102(b) 5.63 × 10−4(c) 3.59 × 10−6(d) 7.482 × 103(e) 6.21 × 105(f) 8.02 × 10−7(g) 4.274 × 106(h) 2.003 × 10−4(i) 9.70 × 108(j) 3.065 × 106 Get solution

3. Carry out the indicated operations and express the answers in scientific notation.(a) (103)(102)(106)(b) ...(c) ...(d) (1.67 × 10−27)(6.02 × 1023)(e) ...(f) (24) × (3,000,000) × (1/600,000)(g) ...(h) (8 × 105)/(4 × 103)(i) ...(j) ... Get solution

4. Calculate the following and report the answers to the correct number of significant figures.(a) x = (7.874 cm)(0.0263 cm)(0.00054 cm)(b) x = 12.2 g + 0.38 g(c) x = 36.247 g − 33.227 g(d)...(e) ... Get solution

5. Rewrite the following in scientific notation, using the SI base units of Table 2−3.(a) 2.2 centimeters(b) 3.0 milligrams(c) 64 kilometers(d) 34.2 nanoseconds(e) 29 megakelvins Get solution

6. Express the customary measurements in this saying in terms of their SI equivalents: “An ounce of prevention is worth a pound of cure.” Get solution

7. (a) Give your height and weight in customary units.(b) Express each in SI units. Get solution

8. Caryy out the following conversions(a) 7.50 g to mg(b) 8.00 in to cm(c) 1050 g to oz(d) 106 lb to kg(e) 75.0 watts to kilowatts(f) 100 mm to in(g) 186,000 mi to m(h) 2000 lb to g(i) 1.00 ft to cm(j) 1.00 gal to mL Get solution

9. The 10,000-meter run is one of the events in the Olympic games. What is this distance in miles? Get solution

10. The ordinary chair seat is about 450 mm high. How many inches is this? Get solution

11. A person with 6.00 liters of blood has 1.20 × 103 mg of cholesterol per liter of blood. What is the mass of cholesterol in the blood in (a) grams; (b) ounces? Get solution

12. How many liters of gasoline does a 21.0-gallon tank hold? Get solution

13. A speed limit of 55.0 miles per hour is the same as how many kilometers per hour? Get solution

14. According to a highway sign, you are 150 kilometers from your destination. How many miles is this? Get solution

15. Select the smaller member of each pair.(a) 64.25 g or 64.25 kg(b) 352 nm or 3.52 × 10−3 km(c) 405 m or 0.400 km(d) 300 kg or 0.0300 g Get solution

16. The distance between carbon atoms in a diamond is 0.154 nanometers (1 mm = 1 × 10−9 m). What is this distance in m? in cm? Get solution

17. The speed limit in a city is 70 km/h. How many miles per hour is this? Get solution

18. On certain flights, the maximum weight of luggage allowed a passenger is 20.0 kg. If you travel on one of these flights, what is the weight in pounds you could take with you? Get solution

19. To produce a ton of steel, 5.00 × 104 gal of water are required. Write this number in its expanded form and give it its appropriate name (for example, 102 is one hundred; 103 is one thousand; and so on). Get solution

20. Multiple ChoiceA. The prefix “kilo−” means(a) one thousandth.(b) one tenth.(c) ten.(d) one thousand.B. Of the following, the smallest measurement is(a) 500 mm.(b) 5.00 m.(c) 0.005 km.(d) 0.002 mi.C. The meter was originally based on the dimensions of the(a) arm.(b) foot.(c) ocean.(d) earth.D. The prefix that does not match the number is(a) centi-, 10−1.(b) kilo-, 103.(c) milli-, 10−3.(d) micro-, 10−6.E. A yard equals(a) 1.1 m.(b) 30.48 m.(c) 39.37 m.(d) 0.92 m.F. The number of grams in 2000 pounds is(a) 9.068 × 105.(b) 1.60 × 104.(c) 436.(d) 6.24 × 10−2.G. The product of (1.30 × 10−4) × (6.00 × 105) is(a) 7.80 × 10−9.(b) 7.80 × 10−1.(c) 7.80 × 109.(d) 7.80 × 101.H. A proper unit for designating volume is(a) mg.(b) mm.(c) mL.(d) m.I. The result of dividing (8 × 103) by (2 × 10−5) is(a) 4 × 1015.(b) 4 × 10−2.(c) 4 × 102.(d) 4 × 108.J. The number 4.36 × 10−4 is(a) 0.0436.(b) 43,600.(c) 0.000436.(d) 0.00000436. Get solution


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