Monday, May 14, 2012

Conversions and prefixes

This has some of the basic conversions on it as well as some graphical comparisons which are helpful. Below are some of the prefixes we talked about in class and their scientific notation.

Basic Conversion Factors

Metric British
millimeter 0.0394 inch
centimeter 0.394 inch
meter 1.094 yards
meter 39.37 inches
kilometer 0.621 miles
gram (weighs) 0.035 ounce
kilogram (weighs) 2.2 pounds
liter 1 .06 quarts


British Metric
1 inch 25.4 millimeters
1 inch 2.54 centimeters
I foot 0.3048 meter
1 yard 0.914 meter
1 mile 1.61 kilometers
1 ounce (has a mass of) 28.35 grams
1 pound (has a mass of) 0.45 kilogram
1 quart 0.94 liter


SI Prefixes

tera- [T] 1,000,000,000,000 trillion 1 x 1012
giga- [G] 1,000,000,000 billion 1 x 109
mega- [M] 1,000,000 million 1 x 106
kilo- [k] 1,000 thousand 1 x 103
deci- [d] 0.1 or 1/10 tenth 1 x 10-1
centi- [ c] 0.01 or 1/100 hundredth 1 x 10-2
milli- [m] 0.001 or 1/1000 thousandth 1 x 10-3
micro- [ยต] 0.000 001 millionth 1 x 10-6
nano- [n] 0.000 000 001 billionth 1 x 10-9
pico- [p] 0.000 000 000 001 trillionth 1 x 10-12

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