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Measurements (K H D (unit) d c m (Ampheres, Liter, Meter, Gram, Kelvin,…
Measurements
K H D (unit) d c m
Ampheres
Liter
Meter
Gram
Kelvin
Second
Mole
Joule
Common Prefixes
Kilo-1000
Hecto- 100
Deka- 10
Base Units-1
Deci- 10
Centi- 100
Milli- 1000
Significant Figures
Non zeros
Every non zero number is significant
Zero sandwiches
Zeros between non zeros are significant
Left handed zeros
Leftmost zeros appearing in front of nonzero digits are not significant.
Right handed zeros
Zeros at the end of a number and to the right of a decimal point are always significant.