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Appendix A: Units and Abbreviations, Prefixes

Published onApr 10, 2020
Appendix A: Units and Abbreviations, Prefixes


Units and Abbreviations

bbl

barrels

ºC

degree Celsius

g

gram

Ga

giga annum; billion years

h

hour

ha

hectare (10,000m2)

J

joule

L

liter

m

meter

Ma

mega annum; million years

mpg

miles per gallon

OM

order of magnitude

ppm

parts per million

s

second

t

tonne (metric ton)

W

watt

¥

yen


Prefixes

μ

micro

106

m

milli

103

h

hecto

102

k

kilo

103

M

mega

106

G

giga

109

T

tera

1012

P

peta

1015

E

exa

1018


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