1) 12.3 kg = ______ cg 2) Write 0.0000019 in sci. 3) 4) 50) 0.41 Gm = _____ ft (give answer in sci. not.) (1 m = 3.29 ft; 1 Gm = 1 × 109 m) 51) 3.8 km = _____ yds (1 yd = 3 ft; 1 km = 1000 m; 1 ft = 12 in; 1 m = 100 cm; 1 in = 2.54 cm) 52) Which SI unit would be best for measuring the thickness of a penny? What is the SI standard unit for time? 53) Which SI unit would be best for measuring the length of a pencil? What is the standard SI unit for temperature? 54) (7.0 × 10-4) – (8.0 × 10-3) 55) (5.11 × 1017) + (9.94 × 1016) 56) Define “Length” 57) Find the density of a 114 g ice cube that is 5 cm on a side. Will it float in isopropyl alcohol (D = 0.786 g/ml)? Explain how you can tell. 58) (4.61 × 10-4) ÷ (8.61 × 103) 59) (7.52 × 100) × (8.33 × 106) 60) Which SI unit would be best for measuring the distance from here to New York? 61) Which SI unit would be best for measuring the mass of a desk? 62) Which SI unit would be best for measuring the length of this classroom? 63) A quantity that can be measured in units of grams is ________. 64) Define the term accuracy. 65) Define the term precision. 24) 0.12 km/s = _____ ft/hr (1 m = 3.29 ft; 1 hr = 3600 s; 1 km = 1000 m) Write -8.41 × 103 in std. 25) 1150 ˚F = _____ ˚C 32,000 tons/day = ____ g/s (1 d = 24 hr; 1 hr = 3600 s; 1 kg = 2.2 lb; 1 kg = 1000 g; 1 ton = 2000 lb) 26) 1150 ˚F = _____ K 27) 14 cm/yr = _____ ft/cen (1 cen = 100 yr; 1 m = 100 cm; 1 m = 3.29 ft) 28) Define “Time” 29) 30) 5) 1150 ˚C = _____ ˚F 6) 1150 ˚C = _____ K 7) Write 7.08 × 101 in std. 8) Write -93,700,000,000 in sci. 31) 80 K = _____ ˚C 9) Write 6,420,000 in sci. 32) 80 K = _____ ˚F 10) Write 1.802 × 10-3 in std. 33) 7.803 L = _____ cL 11) -5 ˚C = _____ ˚F 34) Define Density. 12) -5 ˚C = _____ K 35) 86.1 m = _____ cm 13) 18.6 yrs = _____ sec (give answer in sci. not.) (1 d = 24 hr; 1 yr = 365 d; 1 hr = 3600 s) 36) (6.641 × 10-12) ÷ (-1.330 × 1017) 37) 29 ˚C = _____ ˚F 38) 29 ˚C = _____ K 39) A quantity that can be measured in units of kilometers is ________. 14) 16 tons = _____ mg (give answer in sci. not.) (1 kg = 2.2 lb; 1 g = 1000 mg; 1 kg = 1000 g; 1 ton = 2000 lb) 15) 100 ˚F = _____ ˚C 40) (3.02 × 16) 100 ˚F = _____ K 41) 17) 0.75 day = _____ s (1 hr = 3600 s; 1 d = 24 hr) 2 gal = _____ oz (1 qt = 2 pt; 1 gal = 4 qt; 1 pt = 16 oz) 1031) × (7.6 × 10-12) 42) Define “Mass” 32 miles/hr = _____ cm/s (1 ft = 12 in; 1 in = 2.54 cm; 1 mi = 5280 ft; 1 hr = 3600 s) 43) What is the standard SI unit for mass? 44) (4.81 × 19) (9.82 × 1014) ÷ (1.04 × 10-16) 45) -80 ˚C = _____ K 20) 8.1 lbs = _____ g (1 kg = 1000 g; 1 kg = 2.2 lb) 46) -80 ˚C = _____ ˚F 47) 0.0446 kg = _____ g 48) What is the standard SI unit for length? 49) Define “Temperature” 18) 10-7 21) Write -4.11 × 22) Write 821.6 in sci. 23) in std. A quantity that can be measured in units of kilograms is _________. 10-7) × (-3.05 × 105)