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Measurements (Common base units (amperes (amps)= current, Liter (L)=…
Measurements
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Common prefixes
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Kilo (K)= 1,000 base units
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milli (m)=1/1,000 base units
Significant Figures
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Zero Sandwich= Zeros appearing between non zeros numbers.
Example: 7,003= 4 Sig Fig
Left handed zeros= left most zeros appearing in front of non zeros numbers are not significant.
Example: 0.42= 2 Sig Fig
Right handed zeros= Zeros at the end of a number and to the right of a decimal point are always significant.
Examples: 1.010= 4 Sig Fig
Weird zeros= Zeros at the rightmost end of a measurement that lie to the left of a decimal point are not significant.
Examples: 40.000 1 Sig Fig
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Measurements
Definitions
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Scientific notation= Short hand way of writing very large or very small numbers. Examples= 1.98 x 10^-21 very small amounts, 6.02 x 10^23 very large numbers.
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