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OpenStudy (anonymous):
Calculate 18.9 minus 2.15. Round the answer to the correct number of significant figures.
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OpenStudy (paki):
18.9-2.15 = X.... solve for "X"
OpenStudy (anonymous):
16.75 but how many significant figures are there?
OpenStudy (paki):
what you say?
OpenStudy (paki):
@Aphex
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