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Chemistry, 12.07.2019 23:00 AbbyRichter
78.9 + 890.43 - 21 = 9.5 x 10^2 what is the answer rounding with significant figures? i thought it would be 9.5 since 21 has two significant figures but it’s not.
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78.9 + 890.43 - 21 = 9.5 x 10^2 what is the answer rounding with significant figures? i thought it...
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