Today:Introduction to Exponents & Scientific

Notation

Test Scores Posted

Khan Topics Posted

Class Work

February 23, 2015

Vocabulary & Formulas Section of Notebook

Exponents & Scientific Notation are the mathematician's shorthand.

In general, the format for using exponents is:

(base)exponent

where the exponent tells you how many of the

base are being multiplied together.

Warm-Up (3):

1. A $320 television is discounted by 19%. What is the new price rounded to the nearest cent?

2. If 7x +4 = -18 + 5x, then 2x -14 equals...

3. Three watermelons and two coconuts weigh 32 pounds. Four watermelons and three cantaloupes weigh 44 pounds. All watermelons weigh the same and all cantaloupes weigh the same. What is the weight of two watermelons and one coconut?

A Summary of Exponent Rules

1. 2.

5.

6. 7.

8.

3. Also Known as the power of a power rule.

4.

Introduction to Monomials: Exponents

Introduction to Monomials: Exponents

Introduction to Monomials: Exponents

Introduction to Monomials: Exponents

Introduction to Monomials: Exponents

Introduction to Monomials: Exponents

Practice Problems

1. 72

2. (-8)2

3. (-9) 3

4. -24

5. -43

Introduction to Monomials: Exponents

Exponent Laws

1. p2 • p4 • q3 • q5 = p6q8

Power of a Power

Exponent Laws

Simplify to lowest terms:

Scientific Notation

Scientific Notation

Scientific Notation

Scientific Notation

Scientific Notation

Write 32.500 in Scientific Notation

Scientific Notation

Scientific Notation

Write the following in Scientific Notation:

.00458

= 4.58 • 10 - 3

Scientific Notation

Class Work:

See #21 bottom left: f -7

See #22 bottom right: change to ( )

-2

f 4