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Ch 7 Review Alg
供稿人: Jarvie
Chapter 7 Review
Exponents
1.  Simplify
  1
  r3
r3t2
t2
  r3
  r3t12
r3t-7
t5
t12
2.  Simplify
v9
v9
c2
c2v9
c2
c3v9c-1c0
3.  Simplify
  p10
  p10
(w2k0p-5)-2
w4
k2
 p7
  w4
k2p7
w4
4.  Simplify
(-3q-1)3q2
  1
  1
27q
9q
  -27
  -27
q6
q
5.  Evaluate
c2 • 5b
  -60
  225
  90
 -225

for b=2     

c= -3

6.  If n = 2, which expression has the     least value?
n2n0
n8n-5
-nn
nnn-4
7.  Simplify

     1

  6x2

9x2
(
3x

1

)
-2

   9x2

     2

9x2
8.  Simplify.  
(4x3)2  •  (2x)

8x

16x2

32x2

32x6

• x-4
9.  Simplify  (m2)6
  m8
  m26
  m3
  m12
10.  Simplify
  dg2
  6d
6d2g7
g2
dg-5
  6dg12
  6dg2
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