Question

Q7. "Pace or footstep cannot be used as standard unit of length" comment
Q8. A student lives at a distance of 2280 m from his school Express the distance in km​

Answer 1

Answer:

pace or a footstep cannot be used as a standard unit of length because the length of footstep, forearm length and hand span of different person is different. ... So footsteps and other such measuring systems cannot be use as standard unit.

1km=1000m

2280m/1000m

Answer 2.28km

Explanation:

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Answer 2

Answer:

7. no it cannot be used as standard unit of length

8.2.28km