chemistry
posted by Ana .
urgent help needed!!!
what is .0966 rounded to 2 significant digits? and why?

9.7*10^2 or 0.097
leading zeros are not significant
since u want 2 significant digits you round .0966 to 0.097. 
how many grams of carbon dioxide is formed when 3g of carbon reacts with 50.00 g of oxygen?

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