Hi, I've just had my first lab in physics and I'm having a bit of trouble understanding how to determine the significant figures of my final answers and transforming them in scientific notation. For example: 1. The problem statement, all variables and given/known data I had to measure three sides of a parallelepiped with a micrometer in order to determine its volume and density. My measurements were as followed : A = 19.49 +- 0.01 mm B = 19.53 +- 0.01 mm C = 19.48 +- 0.01 mm 2. Relevant equations The raw volume is: (7414.861356 +- 6.586123190454989) mm^3 The raw density is: (2521.962192168061 +- 13.67120199772) kg/m^3 3. The attempt at a solution As stated earlier, I'm uncertain how to determine the significant figures correctly and how to give my final answer in scientific notation, but my attempt at the solution is: Volume: (7.41 +- 0.00658) x 10^3 mm^3 Density: (2.52 +- 0.013) x10^3 kg/m^3 Thanks!