No the metric measurement for volume is the liter.
First part is numerical value and second part is its unit of measurement
Any measurement unit of the Imperial system.
Feet and inches are part of the Imperial measurement system.
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.
No, its an English measurement
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.