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djdjdoododdo837
14.09.2019 •
Chemistry
Calculate ln (0.345). report your answer to 3 significant figures.
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Ответ:
-1.06
Explanation:
0.345 has three significant figures since the zero does not represent a significant figure.
So, usign the calculator, we find ln (0.345) = -1.06421086195
Now, the problem says that you need to report your answer to three significant figures.
So, you should take the first three numbers of the
ln (0.345) = -1.06
Ответ:
Mass = Density * Volume
Mass = 45 * 7 * 8 * 10
Mass = 25,200 grams