2 then 1 then 3 you're welcome
Answer:
nucleus
Explanation:
eukaryotic has a nucleus, prokaryotic does not
<h3>To round to a significant figure:</h3>
- look at the first non-zero digit if rounding to one significant figure.
- look at the digit after the first non-zero digit if rounding to two significant figures.
- draw a vertical line after the place value digit that is required.
- look at the next digit.