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Terra
T = 10¹²
Giga
G = 10⁹
Mega
M = 10⁶
Kilo
k = 10³
Centi
c = 10⁻²
Milli
m = 10⁻³
Micro
µ = 10⁻⁶
Nano
n = (10⁻⁹)
1cm³
1mL
Centimeters to inches
2.54 cm = 1 in
gallons to liters
1 gal = 3.79 L
pounds to kilograms
2.2lbs=1kg
Precision
a measure of how close a series of measurements are to one another
Accuracy
A description of how close a measurement is to the true value of the quantity measured.
Percent Error
(actual-theoretical)/theoretical x 100
sig figs in multiplication and division
Answer should have the same amount of sig figs as the data with the least amount of sig figs
sig figs in addition and subtraction
least number of decimal places
Deci
d = 0.1 or 10⁻¹
Deca
da = 10 or 10¹
Hecto
h = 100 or 10²