Transcript Powers and Exponents

POWERS AND
EXPONENTS
by Mr. Johnk
POWERS AND EXPONENTS
POWERS AND EXPONENTS
Big numbers are sometimes written as a power to make it
easier to write.
POWERS AND EXPONENTS
LET’S TRY AN EXAMPLE OR TWO!
Which is the exponent?
Which is the base?
3
21
What is the value when you
evaluate the power?
 21 is the base
 3 is the exponent
 The base needs to be
used as a factor 3
times.
 21 x 21 x 21
 The answer is?
 9261!
 It is NOT 63!
HERE’S ANOTHER!
Evaluate.
2
3
The answer would be?
9
WHAT NOW?
Evaluate.
0
21
 Any positive number
with an exponent of
zero = 1!
Evaluate.
3
•
2
2
3
2 x2 x 2

8
x

72
3x3
9
The bullet means to multiply!