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8th Math 2-9 Powers & Exponents
供稿人: Math
A product of 
as a power, that is, using an exponent and a base.
2•2•2•2
POWERS & EXPONENTS
4 common factors
repeated
?
=
exponent
?
2
base: the common
factors can be expressed 
4
 tells how many times the base is used as a factor
factor
?
½•½•½•3•3•3•3=
⅔•⅔•5•5•5=
½ 34
 • 5
d•⅜•d•d•⅜=
d
•⅜
470 =
Zero and Negative Exponents
HINT: THE ANSWER TO EVERYTHING ON THIS PAGE IS THE SAME NUMBER
Any number (besides zero) to the zero power is
40
=1
30=
70=1
b0=1 as long as b ≠ 0
x0=
x ≠0
53
5-2
5-1
52
51
?
50
125
?
25
?
1/5
?
1/25
?
1
?
5
÷5
÷5
÷5
÷5
÷5
None of these =
-5
?
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