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How do I enter an eqaution where I am finding ppm and ppb.

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How do I enter an eqaution where I am finding ppm and ppb?

Ex. 3.0(10^-3)/1.0(10^3) X 10^6

3.0(10^-3)/1.0(10^3) X 10^9

I know the answe is 3.0ppm and 3.0 X10^3 ppb....... but my Ti-84plus CE is giving me to many zeros in my answer.
asked Sep 28, 2016 by anonymous

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