math
posted by A .
Add thirtyeight and nine tenths, five and fiftyeight hundredths, seven, and fifteen
and eight tenths.
A~1662?

math 
Ms. Sue
That doesn't look right.
38.9 + 5.58 + 7.0 + 15.8
Guestimating  the answer should be in the 60s.
What answer do you get? 
math 
Simon
38.9 + 5.58 + 7 + 15.8
Significant digits will round to the whole number due to the 7. 
math 
just a girl
67.28

math 
A
67.28?

math 
Ms. Sue
Right. 67.28 is correct.

math 
drwls
Yes, 67.28. I would not do any rounding off (to 67) unless told to.
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