Question

name two situation where only estimation is require​

Answer 1

Answer:

For mass measurement, electronic balance can be an accurate device. For length measurement, ruler or measuring tape can be the accurate devices. For temperature measurement, thermometers can be an accurate device.

Measurements should be made accurately by comparing with some standard units.

Appropriate instruments should be used to get accurate measurements, and must have sound knowledge of using such instruments.

Answer 2

Answer:

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