Question

Which TWO answers indicate why it's important to round numbers?

Answer 1

I think that you're answers here would be:
~Sometimes it helps in estimating an answer
And
~Calculations may lead to long decimals, but money is in dollars and cents.
Hope this helps you, and happy studying~!
~Mistermistyeyed.

Answer 2

-Calculations may lead to long decimals, but money is in dollars and cents.
-Looks neater