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A variable is assigned to represent an unknown quantity.
Ø In chemistry, algebra can be used to calculate the quantity of a substance required in an experiment. Also, it is used to calculate the quantity of various substances formed in an experiment. Problems of Mole concept are soved on this basis only.
accurate values of the quantity that you wanna measure using certain properties of it.
VARIABLE. When this variable has a fixed number assigned to it and does not change, it is called a "fixed variable".
It is seeking information on the quantity of currency!
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If you vary only one quantity in an experiment, then the results will be related to that quantity. If you vary two or more quantities, then the results will be ambiguous; you will not know what variation is responsible for the observed result.
Quantity of what? Needs more information.
A variable is assigned to represent an unknown quantity.
Robert Milliken
Ø In chemistry, algebra can be used to calculate the quantity of a substance required in an experiment. Also, it is used to calculate the quantity of various substances formed in an experiment. Problems of Mole concept are soved on this basis only.
weighted average is an average in which each quantity to be averaged is assigned a weight. These weightings determine the relative importance of each quantity on the average.
accurate values of the quantity that you wanna measure using certain properties of it.
VARIABLE. When this variable has a fixed number assigned to it and does not change, it is called a "fixed variable".