1) The population of the world is about 7,117,000,000 a) 7.117x109 b) 7.117x10-9 c) 71.17x102 d) 7.117x106 2) The distance from earth to the sun is about 92,960,000 miles a) 92.96x105 b) 9.296x107 c) 929.6x10-3 d) 9296x1010 3) The human body contains approximately 60,000,000,000,000 cells a) 6x1015 b) 6x106 c) 6x1013 d) 6x10-13 4)  The mass of a particle a particle of dust is 0.000000000753 a) 7.53x10 b) 7.53x10-10 c) 75.3x106 d) 7.53x1010 5) The length of the shortest wavelength of visible light (violet) is 0.0000004 meters a) 4x107 b) 4x10-7 c) 4x109 d) 4x10-5 6) 4.35X106 a) 43 000 000 b) 4 350 000 c) 430 000 000 d) 43 000 7) 9 370 000 a) 9.35X105 b) 9.35X107 c) 93.5X106 d) 9.35X106 8) 1 300 000 000 000 000 a) 1.3X1015 b) 1.3X1014 c) 1.3X10-15 d) 1.3X1016 9) 0.00000056 a) 5.6X106 b) 5.6X10-7 c) 5.6X107 d) 5.6X10-8 10) 0.005405 a) 5.405x103 b) 5.405x10-4 c) 5.405x10-3 d) 54.05x-10

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