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Not necessarily.

- A variable can hold other types of values, not just numbers. For example, a variable can hold a date, a text (also know as "string"), a boolean (true or false) value, etc. In object-oriented programming, you basically make up your own data types.
- An array variable can hold several related values. The individual values are usually distinguished by a number, called a subscript. (In other words, you have the first element, the second element, etc. in the array.)

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Q: Does a variable only have one numerical value?

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The variable.

The variable.

A variable can have lots of different values - as opposed to a constant which has only one. That is why it is called a variable!

No. A blank cell has a numerical value of zero.

Any form of numerical measurement can be a dependent variable (or an independent one).

what mathematicians agreed on an so that numercial expressions would have only one value?

the order of operations

It is a real number.

one trillionth

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It is 1.

This will be a math function. Each choice is only going to have one answer in this kind of function.

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