Download Aim 1 - Exponential Notation.notebook

Aim 1 ­ Exponential Notation.notebook
September 07, 2016
Unit 1 ­ Exponents & Scientific Notation
Aim 1: What is an exponent?
How would you expand these expressions?
72 =
(-5)3 =
Sep 9­11:19 AM
1
Aim 1 ­ Exponential Notation.notebook
September 07, 2016
Aim 1: What is an exponent?
Parts of an expression with an exponent?
7
2
(-5)
3
Sep 9­11:19 AM
2
Aim 1 ­ Exponential Notation.notebook
September 07, 2016
Aim 1: What is an exponent?
What will the sign of the answer be?
(-2.4)5
Rule:
(-3)
4
Rule:
Sep 9­11:20 AM
3
Aim 1 ­ Exponential Notation.notebook
September 07, 2016
Aim 1: What is an exponent?
What will the sign be?
Sep 9­11:20 AM
4
Aim 1 ­ Exponential Notation.notebook
September 07, 2016
Aim 1: What is an exponent?
What is the difference?
(-2)
3
3
-2
Sep 9­11:20 AM
5
Aim 1 ­ Exponential Notation.notebook
September 07, 2016
Aim 1: What is an exponent?
Write in exponential form.
Sep 9­11:18 AM
6
Aim 1 ­ Exponential Notation.notebook
September 07, 2016
Aim 1: What is an exponent?
1) Will these products be positive or negative?
2) What will the sign be?
b) (-7.3)130
a) (-3)95
3) Write an expression with -1 as its base that will produce a:
a) Positive sign
b) Negative product
5
4) Travis wrote (-2) equals 32. Is he correct?
Jun 23­8:25 AM
7
Aim 1 ­ Exponential Notation.notebook
September 07, 2016
Aim 1: What is an exponent?
Rewriting standard form numbers in exponential form
Think! exponents means repeated multiplication of the SAME number.
1) Rewrite 27 in exponential notation.
2) Rewrite 8 in exponential notation.
3) Rewrite 36 in exponential notation. *HINT: more than one answer!
4) Rewrite 16 in exponential notation. *HINT: more than one answer!
5) Rewrite 64 in exponential notation. *HINT: more than one answer!
Jun 23­8:28 AM
8
Aim 1 ­ Exponential Notation.notebook
September 07, 2016
Aim 1: What is an exponent?
6) Barry wrote
Is Barry‛s notation correct? Why or why not?
7) Evaluate each expression.
2
8
2
a) -8
b) (-1)
c) (-1.2)
d)
e) (-10)
f) -10
g) -1
h)
i)
50
k)
l) (-1)
4
450
j) 1
3
327
Jun 23­8:29 AM
9
Aim 1 ­ Exponential Notation.notebook
September 07, 2016
Aim 1: What is an exponent?
Exit Slip
In your own words...
1) What does an exponent tell you to do?
2) Describe the difference between 3
(-5) and -53
24
13
3) = 4) = (-1)
(-1)
Sep 1­7:50 AM
10