Start with one object which is a quantity of one but if you have ten of those objects then you have a quantity of ten. For instance, if you buy by quantity you may purchase a case of a canned food rather than a can or two. If you buy produce, such as tomatoes by quantity, you may buy a box rather than one tomato or a small pack.
QS is the medical abbreviation meaning quantity sufficient.
yes
the quantity placed before the variable quantity usually it is a scaling factor
No, time is not considered a vector quantity in physics. It is a scalar quantity, meaning it has magnitude but no direction.
a vector
When you add zero to any quantity, the sum is the original quantity.
Quantity is a noun, meaning how much, or many there is of something. The word can be abbreviated as qty.
quantity
A quantity or number to be subtracted from another.
A. A quantity with direction only - This phrase describes speed as it is a scalar quantity, meaning it has magnitude but no direction.
It can either be a quantity related to astronomy, or it may be a case of the informal use of "astronomical" meaning "very large".
Manufacturing goods in quantity for export sale