Question

15. In the context of accuracy of measurement
and significant figures in expressing results of
experiment, which of the following is/are correct?
(1) Out of the two measurements 50.14 cm and
0.00025 ampere, the first one has greater
accuracy. .
(2) If one travels 478 km by rail and 397 m. by
road, the total distance travelled is 478 km
(a) Only (1) is correct
(b) Only (2) is correct
(c) Both are correct
(d) None of these is correct.
maximum​

Answer 1

Answer:

b is the correct option