- A letter can be multiplied with a number. Write the number in front of the letter.
- A letter can be multiplied with a different letter. Write the letters next to each other.
- A letter can be multiplied with the same letter. When you multiply a letter with itself, use exponent notation. A letter is multiplied by itself is squared. A small 2 is written above and to the right of the letter to indicate it is mutlipled by itself 2 times.

## Multiplying Letters to Make Terms

A term is a collection of letters and numbers multiplied together. In the examples above, the letter**a**has been multiplied with a number, the letter

**b**and itself to make terms. These multiplications can all be combined to make a more complicated term: We just write the letters and numbers next to each other. If a letter is multiplied by itself, write an exponent by that letter to show how many times the letter has been multiplied by itself. Terms can then be multiplied together. Learn more about multiplying terms

## Exponent Notation

Exponent notation is used when a letter is multiplied by itself.**Note:**A letter by itself has an implicit exponent of 1 (this is one of the laws of exponents). Sometimes we will be multiplying letters which each have an exponent. There is a law for multiplying letters with exponents. Simply add the exponents together.

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