How do you use metric prefixes?

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How do you use metric prefixes?

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Answer 1 · 2017-06-10T13:45:28

Hopefully correctly.........

Explanation:

$mL$ $=$ $10^-3*L$ ;

$mus$ $=$ $10^-6*s$ ;

$km$ $=$ $10^3*m$ .

A good illustration of this is the strict use of $dm^3$ in preference to $"litres"$ . Now $1*m^3$ is an absurdly large volume, and if you ever mix and lay $5-6*m^3$ of concrete that is a good day's hard work.

Back to the problem, $1*L-=1*dm^3$ ; and $d="deci"=10^-1$ . And thus $1*dm^3-=(1xx10^-1*m)^3-=10^-3*m^3-=1/1000*m^3$ as required.

And so...............

$6.37xx10^-2*L=6.37xx10^-2*cancelLxx10^3*mL*cancel(L^-1)-=63.7*mL$

Agreed?

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How do you use metric prefixes?

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