powers and exponents. powers & exponents vocabulary factors - numbers that are multiplied...
TRANSCRIPT
POWERS AND EXPONENTS
POWERS & EXPONENTSVOCABULARY
• FACTORS - numbers that are multiplied together.
• BASE - the number being used as a factor.
• EXPONENT - tells how many times a number is used as a factor.
POWERS & EXPONENTSVOCABULARY• POWER - a number that is
expressed using exponents.• SQUARED - a number that
has an exponent of 2.• CUBED - a number that has
an exponent of 3.
EXPONENT FORM
2³base
exponent
FACTOR FORM
2³ = 2 x 2 x 2
factors
STANDARD FORM
2³ = 2 x 2 x 2
84 x 2
POWERS AND EXPONENTS
Exponent Form Factor Form Standard form
4³ 4 x 4 x 4 64
7² 7 x 7 49
m5 mm m m m
Follow Order of Operations
5 + 3² - 8
5 + 3 x 3 - 8
5 + 9 - 814 - 8
6
What is the value of m² + n³, if m=4 and n =5?
4² + 5³4 x 4 + 5 x 5 x 5
16 + 5 x 5 x 516 + 25 x 516 + 125
141
CRITICAL THINKING:
10² 10 x 10 100
10³ 10 x 10 x 10 1000
Exponent
Form
Factor
Form
Standard
Form
10 x 10 x 10 x10 100004
How could you find 10 without using a calculator?
20
10
A light year is the distance light travels in one year. The Milky Way galaxy is about 100,000 light years wide. Write 100,000 as a power with 10 as the base.
10 5