## What is the proper use of parentheses?

Use parentheses to enclose information that clarifies or is used as an aside. Example: He finally answered (after taking five minutes to think) that he did not understand the question. If material in parentheses ends a sentence, the period goes after the parentheses.

**Why do we use parentheses in math?**

Parentheses are used in mathematics for three main purposes: to separate numbers for clarity, to indicate multiplication, and to group numbers together.

**Where do I put parentheses?**

Use parentheses around nonessential information or abrupt changes in thought.When the words in parentheses form a complete sentence, place a period inside the closing parenthesis. When the words in parentheses are not a complete sentence, place the period outside the closing parenthesis.

### What is the rule for exponents?

Product Rule: am ∙ an = am + n, this says that to multiply two exponents with the same base, you keep the base and add the powers. , this says that to divide two exponents with the same base, you keep the base and subtract the powers.

**How do you simplify a multiplication problem?**

Two Methods of Simplifying One method is to use prime factorization and then divide out the common factors between the numerator and denominator. A second method is to divide out the common factors without completing the prime factorization of each term.

**How do you simplify letters with powers?**

2:10Suggested clip · 69 secondsSimplifying expressions with exponents | Algebra I | Khan Academy …YouTubeStart of suggested clipEnd of suggested clip