A train travels 120km to the nearest kilometer for 3.5 hours correct to the 2 significant figures. Calculate the least speed of the train to 2 decimal places.

Question

asked Jan 27, 2022 218k views

1 Answer

Rafael Bugajewski · Answer 1 · 2022-02-02T05:57:44+0000

Answer:

Least speed = 33.66 km/h

Explanation:

The least distance is 119.5 km, and the most time it took was 3.55 hours.

Therefore the least speed = least distance/most time

= 119.5/3.55 km/h

= 33.66 km/h