Physics

Problem

Two lengths are recorded as

14.6\,\text{cm}\,\pm\,0.1\,\text{cm}

and

7.24\,\text{cm}\,\pm\,0.02\,\text{cm}

. To which decimal place should the sum of the lengths be reported? a) Nearest

0.01\,\text{cm}

b) Nearest

0.1\,\text{cm}

c) Nearest

1\,\text{cm}

d) Nearest

0.001\,\text{cm}