Question

Time period of a pendulum is given by T =2×3.14×L/g.Length of pendulum =20 cm and is measured upto 1 mm accuracy. Time period of about 0.6s.The time of 100 oscillations is measured with a watch of 1/10 second resolution. What is the accuracy in the determination of g?

Answer 1

this is the anwer

but not sure