1) Which of the following measurements would not be considered a base unit? a) length b) density c) time d) mass 2) Which of the following is the SI base unit for mass? (Hint: This one is tricky) a) gram b) pound c) millgram d) kilogram 3) Density is equal to the amount of mass per unit of _______________. a) length b) surface area c) volume d) temperature 4) What of the following is the SI base unit for temperature? a) Fahrenheit  b) Kelvin c) Celsius d) All of the above 5) Which value is not equivalent to the others? a) 500m b) 0.5m c) 5000cm d) D. 5 x 10¹¹ nm 6) How many significant figures are there in a distance measurement of 20.070 km? a) 2 b) 3 c) 4 d) 5 7) Solve the following problem with the correct number of significant figures: 5.31 cm + 8.4 cm + 7.932 cm = a) 22cm b) 21.64cm c) 21.642cm d) 21.6cm 8) The number of sig figs? 8.9702 a) 1 b) 5 c) 4 d) 3 9) The number of sig figs? 21500000 a) 3 b) 0 c) 5 d) 8 10) The number of sig figs? 0.0002374500 a) 11 b) 10 c) 5 d) 7 11) Convert to scientific notation: 2500000000 a) 25x10⁸ b) 25x10¹⁰ c) 250x10⁷ d) 2.5x10⁹ 12) Convert to scientific notation: 0.000000000456 a) 4.56x10-¹⁰ b) 4.56x10-¹¹ c) 456x10-¹² d) 456x10-¹³ 13) Convert to scientific notation: 2546390. a) 2.5x10⁶ b) 2.5x10⁷ c) 2.54639x10⁶ d) 2.54639x10⁷ 14) What is the correct representation of 702.0 g in scientific notation? a) 7.02 x 10³ g b) 70.20 x 10¹ g c) 7.020 x 10² g d) 70.20 x 10² g 15) Solve and write in correct scientific notation: (9.87 x 10⁸) – (6.54 x 10⁸) a) 3.33 b) 3.33x10⁸ c) 6.45x10⁹ d) 333x10⁸ 16) Solve and write in correct scientific notation: (7.6 x10²⁷) x (4.7 x 10¹³) a) 12.3x10⁴⁰ b) 1.23x10⁴¹ c) 35.72x10⁴⁰ d) 3.6x10⁴¹ 17) Convert 0.73 kL → L a) 73L b) 730L c) 7.3L d) 7300L 18) Convert: 8 years to minutes a) 1.5x10^-5 min b) 2x10^-5 min c) 4.2x10⁶ min d) 4x10⁶ min 19) The distance from Santa Maria to Los Alamos is 16.25 mi. What is the distance in cm? a) 2.600x10⁶ cm b) 2.6x10⁶ cm c) 2.6x10⁴ cm d) 2.600x10⁴ cm 20) How many feet per second is a wave going if it travels a distance of one mile in 7.35 seconds? a) 38,808 ft/s b) 38,800 ft/s c) 719 ft/s d) 718 ft/s

Metric, Scientific Notation, and Dimensional Analysis Quiz

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