Answer:
a) 2.7×10^2, 2.7×10^-3, 7.2×10^-3
Answer: <em>Well, I think the best answer is</em><em> C) Hyphen.</em><em> Hope That Helps!</em>
<em>From ~Itsbrazts~. Have a Great Day!</em>
The origin goes back to the Latin verb ‘Oboedire’ which means to serve.
