it has a number and a unit
No the metric measurement for volume is the liter.
Yes.
Basically your uncertainty is the innaccuracy or your measurement. For instance if you had a yard ruler that was marked only in inches and the length of the object you were measuring lied somewhere between 12 and 13 inches; you could state that the objects length is 12 1/2 inches ± 1/2 inch. The ± 1/2 part is your uncertainty, it means the measurement could be either 1/2 inch longer or shorter than your stated measurement.
Feet and inches are part of the Imperial measurement system.
Yes, The results of the measurement help in drawing conclusions and making final evaluation.
Your measurement should include one estimated digit.
Measurement 1: Latitude Measurement 2: Longitude
Feet, inches, and miles are part of the English system of measurement.
There are 2 significant figures in this measurement.
There are 2 significant figures in this measurement.
There are 2 significant figures in this measurement.
There are 2 significant figures in this measurement.