Question
The mass of an element is .007502times 10^-26g Find the number of significant figures when the mass is converted to mg. (Both mass values have same order of magnitude) a 5 b 3 c 4 d 2
Answer
4.1
(244 Votes)
Kerensa
Elite · Tutor for 8 years
Answer
### c 4
Explanation
## Step 1: Convert grams to milligramsTo convert from grams to milligrams, multiply the mass value by
. Therefore,
becomes \((0.007502 \times 10^{-26}) \times 10^3 \, \mathrm{mg}\).
.## Step 2: Determine significant figuresCount the number of significant figures in the original mass and ensure the conversion does not change it.There are 4 significant figures in
.