Aim How do we use the laws of exponents to multiply monomials?

Warm up

Use an exponent to rewrite each expression below.

1. 10 · 10 · 10 2. -3 · -3 · -3 · -3

3. n · n · n · n · n · n 4. y · y · y · y · y · y · y · y · y

Whole Group Questions

Write each expression below in expanded form to simplify.

1. n2 · n4 2. x2y2 · x3y

Law of Exponents for Multiplication

Use the Law of Exponents to simplify the following expressions.

3. a3 · a5 4. x3 · x-7

5. a4b2 · a5b 6. x-2y2 · x5y-3

Group Work

Use the Law of Exponents to simplify the following expressions.

1. a3 · a4 2. x10 · x5

3. y3 · y 4. n2 · n3 · n4

5. b4 · b-6 6. a-2 · a10 · a-3

7. 6a2b4 · 4a2b3 8. xy · y2 · x3

Whole Group Questions

Use the Law of Exponents to simplify and then evaluate the following expressions.

1. 102 · 103 2. 3-4 · 32

3. (-2)2 · (-2)3 · (-2)-1 4. (-2) -3 · (-2)3 · (-2)-3

5. A negative base with an odd exponent equals a ______number.

6. A negative base with an even exponent equals a ______number.

Group Work

Use the Law of Exponents to simplify and then evaluate the following expressions.

1. 52 · 5-3 2. 4-4 · 47

3. 23 · 24 · 2-1 4. (-3)-1 · (-3)8 · (-3)-3

5. (-1)2 · (-1)2 · (-1)-10 6. ()-2 · ()2 · ()4

Homework

Use the Law of Exponents to simplify the following expressions.

1. x4 · x5 2. y3 · y-1

3. c2 · c-7 4. xy · x2y-2

Use the Law of Exponents to simplify and then evaluate the following expressions.

5. 10-2 · 10-1 6. 10-2 · 102

7. (-2)3 · (-2)4 · (-2)-11 8. (-2)-1 · (-2)-1 · (-2)5

Name ______Date ______Period______

Aim: How do we use the law of exponents to multiply monomials?

Ticket:

Use the Law of Exponents to simplify the following expressions.

1. a2 · a4 2. x15 · x5