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Calculate (To Three Significant Figures) the Numerical Part of the Conversion

Question 71

Essay

Calculate (to three significant figures) the numerical part of the conversion factors needed to carry out the following unit conversions:
a. density in g/cm3 to kg/m3
b. speed in mi/h to ft/s
c. area in km2 to mi2
d. area in km2 to cm2
e. mass/area of aluminum foil in mg/cm2 to g/m2
f. number of gas molecules per unit volume from /m3 to /ft3
g. number of bacteria per unit area on a microscope slide from /mm2 to /in2

Correct Answer:

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a. 103 (exactly)
b. 1...

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