ࡱ> NPM q<bjbj 4BoTTTTThhhhD|hi <((((($!W$@ETTT((# *T(T(Vv@:(`T1{- 9 0i x$:$::&$T`D i $ :  Metric Practice Sheet Chemistry 115 Complete the following chart relating to SI prefixes. PrefixSymbolMeaningDecimalExponentialgigaGbillion10000000001 x 109megaMmillion10000001 x 106kilokthousand10001 x 103(unit)(no prefix)one11 x 100decidtenth1/101 x 10-1centichundredth1/1001 x 10-2millimthousandth1/10001 x 10-3micromillionth1/10000001 x 10-6nanonbillionth1/10000000001 x 10-9 The most common form of hydrogen atom has a mass of 1.67x10-27 kg. Express the mass of this hydrogen atom in the following units (use scientific notation): nanograms (ng) 1.67x10-27 kg x 1000 g x 1 ng = 1.67 x 10-15 ng 1 kg 1 x 10-9 g micrograms (g) 1.67x10-27 kg x 1000 g x 1 g = 1.67 x 10-18 g 1 kg 1 x 10-6 g milligrams (mg) 1.67x10-27 kg x 1000 g x 1 mg = 1.67 x 10-21 g 1 kg 1 x 10-3 g grams (g) 1.67x10-27 kg x 1000 g = 1.67 x 10-24 g 1 kg A room is 325.6 cm long, 230.2 cm wide, and 240.0 cm high. What is the volume of the room in cm3? V = 325.6 cm x 230.2 cm x 240.0 cm = 1.799 x 107 cm3 Convert the following, and express your answer in scientific notation. 13.28 nanoliters to quarts 13.28 nL x 1 x 10-9 L x 1000 mL x 1qt = 1.40 x10-8 qt 1 nL 1 L 946 mL 47.9 megagrams to tons 47.9 Mg x 1 x 106 g x 1lb x 1 ton = 5.28 x 101 tons 1 Mg 454 g 2000 lb 355 millimeters to yards 355 mm x 1 x 10-3 m x 1cm x 1 inch x 1 ft x 1 yd = 3.88 x 10-1 yards 1 mm 1x 10-2 m 2.54 cm 12 inch 3 ft Convert the following temperature readings 425 oF = ____218_________oC oC = (425 oF -32)/1.8 100. oC = ____-148________oF oF =-djkqryz    * , - . 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