Michael has 225 milliliters of a liquid. To find out the number of grams of calcium in this liquid, Michael multiplies the volum

Question

3 years ago

11

Michael has 225 milliliters of a liquid. To find out the number of grams of calcium in this liquid, Michael multiplies the volum

e by 0.015. When he writes the number representing the amount of calcium in the liquid, how many significant digits will the number have?

Mathematics

1 answer:

bija089 [108] · Answer 1 · 2021-12-08T12:56:23+03:00

In mathematical operations with significant figures the answer must r<span>eflects the reliability of the least precise number. 225 has three significant figures, whereas 0.015 has two -leading zeroes are not significant figures, so our answer must have two significant figures to reflect the reliability of the number 0.015, which has two significant figures.
</span>
$225*0.015=3.4$

We can conclude that <span> the number representing the amount of calcium in the liquid will have two significant figures.</span>