vidalmari6p99qfk vidalmari6p99qfk 07-09-2021 Chemistry contestada Rounding to significant figures? I'm not sure about how many significant figures the result should be rounded (7.14 e4) + (2.8 e2) = 7.1689 e4 This shoul be rounded to 7.17 ? 7.169 ? Not rounding? Or any other option?