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hram777 [196]
4 years ago
10

Which number contains four significant figures? A) 3.978 B) 0.780 C) 0.0085 D) 1700 E) Two or more of the above numbers contain

four significant figures
Chemistry
1 answer:
elixir [45]4 years ago
3 0
Remember significant figures are all non-zero numbers. 
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The enthalpy of combustion of a substance is defined as the heat energy given out when one mole of a substance burns completely in oxygen.

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