Ch. 8 Test Exponent Properties And Scientific Notation

31 Questions  I  By Tdas2002 on January 14, 2010
8a to the 9th power over 125a to the to the 6th power
Exponent Properties and Scientific Notationlinear systems

  

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1.  Without graphing, decide whether the system has one solution, no solution, or infinitely many solutions.y = –3x + 4y = 3x + 8
2.  Solve by elimination.5x + 8y = –297x – 2y = –67
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B.
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D.
3.  Which system has infinitely many solutions?
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B.
C.
D.
4.  Which graphing calculator screen shows the solution of the system?y = –1 over 2x + 3y = 6x – 5
  • Graphic
  • Graphic
  • Graphic
  • Graphic
5.   Simplify (d cubed over e squared) to the 4th power
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B.
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D.
6.  Simplify –4x3 • 2y–2 • 5y5 • x–8
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7.  Write 8a to the 9th power over 125a to the to the 6th power with only one exponent.
8.  Chase got better at a new video game. He scored 12 points on Monday, and he doubled his score each day thereafter. How many points did he score on Sunday?
9.  Simplify –3x2(6x3 + 2x)
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B.
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D.
10.  Write 10–5 as a decimal
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B.
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D.
11.  Simplify 0.7(2.8 × 106). Write the answer using scientific notation.
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D.
12.  Solve the system using substitution.3g + 2h = 7h = –3g + 11
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13.  Simplify 7–2.
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D.
14.  . Simplify (2.3 × 10–5)(1.4 × 10–6)
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D.
15.  Evaluate b–3 for b = 3
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D.
16.  Simplify –6–3
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17.  Simplify 1.02 times 10 negative squared over 1.7 times 10 to the -5th power. Write the answer in scientific notation.
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18.  Which list has the numbers in order from least to greatest?
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D.
19.  Simplify d2(d4)5
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D.
20.  Simplify (j5)6
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D.
21.  Simplify (11p4)–2
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22.  Which ordered pair is a solution of the system?–2x – 4y = 26x – 6y = 48
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D.
23.  Simplify (0.4 × 10–6)(0.7 × 10–2). Write the answer in scientific notation.
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B.
C.
D.
24.  Simplify (–3 over 4)–3
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D.
25.  Write 2 • 10–3 as a decimal
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D.
26.  Simplify (2cd2)3(cd)6
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D.
27.  Simplify 4–6 • 40
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28.  Simplify (–k2)3.
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29.  Evaluate  for x = –3 and y = 2.
30.  Simplify 5(2.7 × 10–4). Write the answer using scientific notation.
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D.
31.  Which number is written in scientific notation?
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D.
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