Re: Grammar: "Multiply by" or "Multiply times"?

Subject: Re: Grammar: "Multiply by" or "Multiply times"?
From: Lauren <lauren -at- writeco -dot- net>
To: techwr-l -at- lists -dot- techwr-l -dot- com
Date: Tue, 25 Apr 2017 19:17:55 -0700

The formula is stated in an odd way. I wonder if it should read, "multiply the absorbance of the solution (or concentration) by the dilution factor times 20."


On 4/25/2017 5:06 PM, Janoff, Steven wrote:

"Multiply by 20 the absorbance of the dilution."

I come across something like "multiply the absorbance of the dilution times 20" and want to change "times" to "by".

These two statements do not mean the same thing. "Dilution times 20" is D*20. It is not multiply by 20 the absorbance, that is 20*A (of D).

Here is more on dilution formulas, https://socratic.org/chemistry/solutions-and-their-behavior/dilution-calculations.
Another, https://socratic.org/questions/how-does-dilution-affect-absorbance.

The statement is missing context and I suspect a few other things. The formula makes no sense.



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Follow-Ups:

References:
Grammar: "Multiply by" or "Multiply times"?: From: Emoto
RE: Grammar: "Multiply by" or "Multiply times"?: From: Janoff, Steven

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