1.all non zero digit are significant 2.zero b/w non-zero digits are significant 3.if number is less than 1 zero on right of decimal point but to the left of first non-zero digit are not significant
here 4 significant figures are there in 0.001050 123 -3 significant figures 123000-3 significant figures 2.107 - 4 significant figures 0.5610 - 4 significant figures
