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Chemistry, 03.09.2020 15:01 samiiegarciia
Do the calculations, round off your answers to the correct number of significant figures and express the answer in proper exponential notation.
A. 2.23 X 10^7 * 3.0 X 10^-4 =
B. 2.21 X 10^7/5.500 X 10^-4 =
C. 2.2 X 10 ^-2 + 3.13 X 10^3 =
D. 7.63 X 10^-2 - 3.15 X 10^-4 =
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