L1-4 Notes:

1
Chapter 1

• L1-4 Notes
• Powers and Exponents

2
Vocabulary

• A product of prime factors can be written using
  exponents and a base.

3
Vocabulary

• Numbers expressed using exponents are called
  powers.

Powers Words Expression Value
2 2 to the fifth power. 2 2 2 2 2 32
3 3 to the second power or 3 squared. 3 3 9
10 10 to the third power or 10 cubed. 10 10 10 1,000
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2
3
4
Examples

• 1. Write 3 3 3 3 using an exponent. Then
  find the value of the power.
• 2. Write 4 as a product. Then find the value of
  the product.

5
5
Example

• 3. SCIENCE The approximate daytime surface
  temperature on the moon can be written as 2
  degrees Fahrenheit. What is this temperature?

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6
Example

• 4. Write the prime factorization of 72 using
  exponents.