[질문] 오차의한계어떻게구해요??

1.7×1/10³의유효수자는1과7이고.1.7×1/10³=0.0017이므로반올림한자리는소수다섯째자리.오차의한계=근사값의맨끝자리의단위값×1/2.오차의한계=0.0001×1/2=0.00005