Learning Target:
SOL 6.5: The
student investigate and
describe concepts of
positive exponents.
Exponents Notes
Exponents: An exponent show how many times a_______ number occurs as a______.
Exponents show repeated multiplication.
•
Factor _________________________________________________________
•
Base number___________________________________________________
•
Powers ________________________________________________________________
Numbers expressed
using exponents are
called powers. For
example, you can say
that 24 is a power of 2.
Symbol
52
43
24
16 = 2 ∙ 2 ∙ 2 ∙ 2 = 24
Words
Write powers in standard form: numbers that are written without exponents
(evaluating or find the value of)
25 _____________________________________________________
43 _____________________________________________________
Remember- any base
number with a zero as
the exponent always
equals 1.
50 = 1
230 = 1
Write numbers in exponential form: numbers that are written with exponents
3∙3∙3∙3
Wools
2015
________
5∙5∙5
________
2014-
150 =
Try These
Write each power as a product of the same factor (standard form)
62 ____________________
44 _____________________
85 ____________________
103 ____________________
Write each product in exponential form and evaluate
5 ∙ 5 ∙ 5 ∙ 5 __________________
10 ∙ 10 ∙ 10 ∙ 10 ______________
1 ∙ 1 ∙ 1 ∙ 1 ∙ 1 _______________
3 ∙ 3 ∙ 3 ___________________
Using the calculator to compute large exponents!
1.
Enter the base number
2.
Press
3.
Enter the exponent
4.
Press the
Find 45
on the calculator
on the calculator
Lets Practice!
Evaluate the following expression using the calculator.
126 _______________________
97 ____________________
234 _______________________
65 ____________________
Wools
2015
2014-