Exponents

1. 4.2 exponents
October 16, 2013
1. 3 * 3 * 3 * 3
2. (­4)(­4)(­4)
3. 291 / 3
4. 760 / 10
Bellwork
Objective: use exponents
Nov 17­1:08 PM
HW pg. 180 #5­37 odds
1

2. 4.2 exponents
October 16, 2013
exponent
26
{
base
power
the value of the expression
Nov 17­1:11 PM
HW pg. 180 #5­37 odds
2

3. 4.2 exponents
October 16, 2013
Examples
121
62
(0.2)3
­74
(­8)5
Nov 18­2:05 PM
HW pg. 180 #5­37 odds
3

4. 4.2 exponents
October 16, 2013
Write the expression using an exponent.
(­5)(­5)(­5)
­2 a b a a
Nov 18­2:06 PM
HW pg. 180 #5­37 odds
4

5. 4.2 exponents
October 16, 2013
3
A microscope can magnify a specimen 10 times.
How many times is that?
Simplify 72
4
Evaluate ­a and (­a)4 , for a = 2
Nov 18­2:07 PM
HW pg. 180 #5­37 odds
5

6. 4.2 exponents
October 16, 2013
P
E
M
D
A
S
Nov 18­2:08 PM
HW pg. 180 #5­37 odds
6

7. 4.2 exponents
October 16, 2013
Simplify.
4(3 + 2)2
Evaluate.
­2x3 + 4y, for x = ­2 and y = 3
Nov 18­2:09 PM
HW pg. 180 #5­37 odds
7

8. 4.2 exponents
October 16, 2013
HW pg 180
# 5­37 odds
Nov 18­3:11 PM
HW pg. 180 #5­37 odds
8