Duplicate of Algebraic Expressions Vocab

What is a letter than stands in the place of a number called? 

To replace a variable with a number in an expression

Define evaluate:

A mathematical phrase with numbers, operations, and variables

The answer to a division problem

In an expression, these can be a number, variable, or the product of a number and a variable 

A rule for evaluating expressions; tells what to do first when solving an expression

The number that comes before a variable in an expression

Another word for equal or having the same value

The number that tells how many times the base is multiplied by itself

The answer to a subtraction problem

The answer to a multiplication problem