It is already rounded to the tens because there is no digit but 0 in the ones digit. I hope this helped.
Answer:
75
Step-by-step explanation:
86+79+68+83=316
391-316=75
You should do 7-3=4 then do what’s u have to do with the 7
Answer: 4xy and 3xy are, 2s and 5s are, but -10 and -10b aren't.
Step-by-step explanation: 4xy and 2xy have the same terms. 2s and 5s have the same terms but -10a and -10b have different variables.
