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Question 1.CC.9: Conversion Factors Identify one or more correct conversion f......

Conversion Factors
Identify one or more correct conversion factors for the equality of gigagrams and grams.

a. \frac{1\,\mathrm{Gg}}{1\times10^{9}\,\mathrm{g}}     b.  \frac{1\times10^{-9}\,\mathrm{g}}{1\,\mathrm{Gg}}      c.  \frac{1\times10^{9}\,\mathrm{Gg}}{1\mathrm{~g}}        d.  \frac{1\times10^{9}\,\mathrm{g}}{1\,\mathrm{Gg}}

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In Table 1.8, the equality for gigagrams and grams is 1 Gg = 1 × 10^{{9}} g.
Answers a and d are correctly written conversion factors.

TABLE 1.8 Metric and SI Prefixes
Prefix Symbol Numerical Value Scientific
Notation
Equality
Prefixes That Increase the Size of the Unit
tera T 1 000 000 000 000 10^{12} 1~{\mathrm{Ts}}~=~1\times\,10^{12}\,{\mathrm{s}}
1\ \mathrm{s}\ =\ 1\ \times\ 10^{-12}\,\mathrm{Ts}
giga G 1 000 000 000 10^{9} 1~{\mathrm{Gm}}~=~1\times\,10^{9}\,{\mathrm{m}}
1{\mathrm{~m~}}=1\times10^{-9}\,\mathrm{Gm}
mega M 1 000 000 10^{6} \mathrm{1~Mg~=~}\mathrm{1~}\times\mathrm{10}^{6}\ g
1\ \mathrm{g}\ =\ 1\ \times\ 10^{-6}\,\mathrm{Mg}
kilo K 1 000 10^{3} 1\mathrm{~km~}=1\times10^{3}\mathrm{~m}
1~{\mathrm{m}}~=~1\times10^{-3}\,{\mathrm{km}}
Prefixes That Decrease the Size of the Unit
deci d 0.1 10^{-1} 1\,\mathrm{dL}\;=\;1\;\times\;\mathrm{10}^{-1}\,\mathrm{L}
1 L = 10 dL
centi c 0.01 10^{-2} 1\,\mathrm{cm}\;=\;1\times\:10^{-2}\,\mathrm{m}\;
1 m = 100 cm
milli m 0.001 10^{-3} 1~{\mathrm{ms}}~=1~\times~10^{-3}\,{\mathrm{s}}
1\ {\mathrm{s}}\ =\ 1\times\ 10^{3}\,{\mathrm{ms}}
micro μ 0.000 001 10^{-6} 1~\mu{\mathrm{g}}=~1\times~10^{-6}~{\mathrm{g}}
1\ {\mathrm{g}}\ =\ 1\times\ 10^{6}\,\mu{\mathrm{g}}
nano n 0.000 000 001 10^{-9} 1~{\mathrm{nm}}~=\;1\times~10^{-9}\,{\mathrm{m}}
1{\mathrm{~m~}}=1\times10^{9}{\mathrm{~nm}}
pico p 0.000 000 000 001 10^{-12} 1\;{\mathrm{ps}}\;=\;1\times10^{-12}\,{\mathrm{s}}\;
1\ {\mathrm{s}}\ =\ 1\times\ 10^{12}\,\mathrm{ps}

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