Concept:Significant figures ignore leading zeros; round based on the next significant digit.Explanation:In 0.04945, the leading zeros are not significant.The first significant figure is 4 and the second is 9.Look at the third significant figure: it is 4, which is less than 5, so keep 49.Thus, 0.04945≈0.049 to two significant figures.Answer:0.049 (Option B)