Question

pls answer me pls plz pls​

Answer 1

Step-by-step explanation:

1m => 100cm

2m => 200cm h of room

b ) We need standard unit for measurement to make our judgement more reliable and accurate. For proper dealing, measurement should be same for everybody. Thus there should be uniformity in measurement. For the sake of uniformity we need a common set of units of measurement, which are called standard units.

Answer 2

Answer:

a. Answer is 200cm

b. We need standard unit for measurement to make our judgement more reliable and accurate. For proper dealing, measurement should be same for everybody.