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Chemistry

Unit 1 Concept 2 Dimensional Analysis and Scientific Notation

QuestionAnswer
Give an example of a conversion factor. Explain what it means, how it can be used, and at least two different ways it can be written. Conversion factors are ratios of equivalent values (meaning they equal 1). It is used to convert measurements without changing its value.
Eplain the significance of scientific notation and why it is important to be able to use it. Scientific notation is important because it allows you to write and/or calculate numbers without having to write excess 0's.
Convert the following values: 21d to s, 9602g to lb, 5500mm to yards. 21d to s: 1,814,400 9602g to lbs: 21.1244 5500mm to yd: 968000
Write the following values in scientific notation: 801000 / 2950000 / 0.0518 / 0.000000016 8.01*10^4 / 2.95*10^6 / 5.18*10^-2 / 1.6*10^-8
Write the following values in standard notation: 9.6x10^-3 / 7.008x10^6 / 2.03x10^2 / 5.04x10^-4 0.0096 / 7008000 / 203 / 0.000504
Dimensional analysis A technique of converting numbers into different untis, without changing their value.
Created by: Kamryn7
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