What is the correct number of decimal places for 4.392g plus 102.40g plus 2.51g?

When adding these measurements, the result should be reported to the least number of decimal places in the measurements. The values 4.392g and 2.51g have three and two decimal places, respectively, while 102.40g has two decimal places. Therefore, the sum should be rounded to two decimal places, resulting in a final answer of 109.33g.