PHYSICS · Single correct · A Level · Physics · Measurements and their errors · Measurements and their errors
Problem
Two samples have masses 3.42g and 0.873g. They are mixed and the mixture is divided equally into three portions. What mass (in g) should be reported for each portion, stated in scientific notation with the correct significant figures?
(a) 1.430×100
(b) 1.4×100
(c) 1.43×100
(d) 1.43×10−1