3.In 2008 , 109 574 candidates sat for the HKCE examination. When rounding off the number correct to 2 significant figures , fing (a) the absolute error, (b)the relative error (c) the precentage error of the approximate value
2.the capacity of a bottle is measured to be 1800mL. If the relarive error is 0.04. find the range of the actual capacity of the bottle