Question

Hii friends please answer this it's very important , please don't give irrevellant answers. or iske pehele wale question ka bhi answer dena .

please​

Answer 1

Answer:

please mark as brilliant and give thanks

Explanation:

1. A measurement needs both a number and a unit for complete specification because : If we just say 6, the other person will not understand what we mean; hence we have to use a unit of length. If we just say metres, the person will wonder how many metres; therefore we have to tell the number to express the right quantity.

2.Foot steps and hand-spans are not the ideal or standard unit of length because these are not accurate. Even though one can measure using his body parts but these are not universal measurements.