Question

How do you convert `1.8 * 10^6` ng to dg?

Answer 1

Well, there are `10^9*ng` in `1*g`. And `1*dg=10^-1g`.

And thus `1.8xx10^6*ng-=1.8xx10^-2*dg`

Explanation:

So `1.8xx10^6*ng` `=` `1.8xx10^6xx10^-9*g= 1.8xx10^-3*g`

`1.8xx10^-3*cancelgxx10*dg*cancel(g^-1)` `=` `1.8xx10^-2*dg`.

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