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Please help 25 points Add the following numbers and round your answer to the correct number of significant figures: 90.0 + 80 = Show both the unrounded and rounded answer.

Please help 25 points Add the following numbers and round your answer to the correct number of significant figures: 90.0 + 80 = Show both the unrounded and rounded answer.
asked 107k views
2 votes
Please help 25 points Add the following numbers and round your answer to the correct number of significant figures:

90.0 + 80 =

Show both the unrounded and rounded answer.

asked
User Andrey Gubarev
by
7.4k points

2 Answers

3 votes
90.0 + 80 = 170.0 however the number 80 could be just 1 significant figure, in which case the final answer is 200 to 1 significant figure.
answered
User Ester Kaufman
by
8.5k points
2 votes

Step-by-step explanation:

Wouldn't this just be 90+80 meaning the answer would be 170?

answered
User Ramazan Binarbasi
by
8.0k points
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