Exponents

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Exponents
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Question
Guess
Answer
Important rules in blue Answers in Red (I may
collect this)
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1. Rewrite using just the number 7
47
4
A 7 7 7 7
Which one?
B 7 7 7 7
5
A 7 7 7 7
Answer A because 4 7 4 sevens 28
B 7 7 7 7
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2. Rewrite using just the letter d
3d
7
A d d d
Which one?
B d d d
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A d d d
Answer A because 3d 3 ds d d d
B d d d
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Rule 1
a(x)
x x x x
?
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Rule 1
a(x)
x x x x
a
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3. Rewrite using just the number 3
34
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A 3 3 3 3
Which one?
B 3 3 3 3
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A 3 3 3 3
Answer B because 34 Multiply 3 times itself 4
times
B 3 3 3 3
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4. Rewrite using just the letter y
y5
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A y y y y y
Which one?
B y y y y y
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A y y y y y
Answer B because y5 Multiply y times itself 5
times
B y y y y y
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Rule 2
xb
x x x x
?
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Rule 2
xb
x x x x
b
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5. Rewrite w/out the fraction
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Rule 3
Left hand side gets the 2
y2 x5
Right hand side gets the 5
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6. Rewrite w/out the fraction
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y7 x3
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7. Rewrite w/out the fraction
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y2 811 __
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y2 811 __
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y2 811 81
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8. Solve for y
y2 81
y __
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y2 81
y 9 or -9
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9. If you saw...
you could write y 81 (whats missing?)
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If you saw...
you could write
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Rule 4a
means
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10. Rewrite w/out the fraction
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y2 43
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y2 43 Solve for y y ___
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y2 43
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11. If you saw...
you could write y ____
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If you saw...
you could write
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Rule 4b
means
47
y2 x
yy x
48
y2 x
y3 x
yy x
yyy x
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y2 x
y3 x
yy x
yyy x
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ym x
y2 x
y3 x
yy x
yyy x
yy x
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ym x
y2 x
y3 x
yy x
yyy x
yy x
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Rule 5
means
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Rule 6
ym yn ym n
(xy)m xm ym
xm ym (xy)m
ym - n
y0 1
(ym)n ym n
y1 y