Two lengths, a and b, are measured to be 51±1 cm and 49±1 cm respectively.
The volume V of a cylinder of height h and radius r is given by the expression V = πr2h.
Two lengths, a and b, are measured to be 51±1 cm and 49±1 cm respectively. In which of the following quantities is the percentage uncertainty the largest?
a+b
a-b
a×b
ab