The local currency unit.
volume in units of gallons, liters, cubic feet, cubic meters etc
I would use the metric unit is inches
I would use a postal scale to weigh the letter. Once I knew the weight, I could express it in any unit of force, but 'grams' would probably result in the most convenient number.
Feet, Yards,Miles Centimetres, metres, kilometres Light years
grams which unit would you use to measure the mass of a mouse
You would use meters.
You would use meters.
the best unit of measurement to use to express the mass of a small novel would be grams
The centimetre.
Kilograms.
Kiloliters or gallons depending on sizeo f the pool.
Cubic centimeters.
You would use a scale or a balance. You would then use a unit of mass such as milligrams or grams to express the answer.
Meters.
pounds or kilograms or tons.
You would use the cubic meter (m^3) to express the volume of a textbook in SI units.
Feet and inches or metres and centimetres.