significant figures are the numbers (that aren't 0)... So... to 2 sig. fig 6.7493 is 6.7 (because the 4 is under 5 so rounds down) Hope this helps :) :P
Significant figures are the numbers that is not a 0 So to 2 significant figures 6.7493 is 6.7. We kept it 7 because the number after it is less than 5 so we round it down... Hope I helped you with your question :) :P
