2016­10­25 Mult Div Exponent .notebook
Today is Tuesday
10/25
Do Now:
­Take out Friday's HW
­Take out notebook
­Put phone on notecard
­Copy down HW HW Answers
October 25, 2016
2016­10­25 Mult Div Exponent .notebook
October 25, 2016
Today's Objective:
Properties of Exponents:
Multiplication and Division of like
bases
2016­10­25 Mult Div Exponent .notebook
October 25, 2016
Write the following in expanded form
35
37
What do you think 35 x 37 is?
Multiplying Powers with the same base
Rule:
2 .
3
4
3 =3
2+4
6
=3
2016­10­25 Mult Div Exponent .notebook
Exercise 1:
October 25, 2016
5
2
(­8) (­8)
7
3 3
2
z z
3
7
12
4
y y
x2 x
Write the following in expanded form
57
53
What will happen when we divide 57 by 53
57
53
2016­10­25 Mult Div Exponent .notebook
October 25, 2016
Dividing with Exponents with the same base
Rule:
8
6
5
6
=6
Exercise 2:
45
42
x4
x
8-5
y12
y7
x10
x3
3
=6
r9
r2
2016­10­25 Mult Div Exponent .notebook
October 25, 2016
What about when we put two operations
together?
OR when they are not the same bases?
Simplify each expression and write an answer in exponential notation
2
4
y y y
3
2
5
1
y y y
6
3
27
2016­10­25 Mult Div Exponent .notebook
October 25, 2016
2016­10­25 Mult Div Exponent .notebook
October 25, 2016