Ch. 8 Test Exponent Properties And Scientific Notation

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Ch. 8 Test Exponent Properties And Scientific Notation
Exponent Properties and Scientific Notationlinear systems

  
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1.  Write 10–5 as a decimal
A.
B.
C.
D.
2.  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?
3.  Simplify –4x3 • 2y–2 • 5y5 • x–8
A.
B.
C.
D.
4.  Evaluate b–3 for b = 3
A.
B.
C.
D.
5.  Simplify (–k2)3.
A.
B.
C.
D.
6.  Simplify (11p4)–2
A.
B.
C.
D.
7. 
Write with only one exponent.
8.  Which list has the numbers in order from least to greatest?
A.
B.
C.
D.
9.  Simplify 5(2.7 × 10–4). Write the answer using scientific notation.
A.
B.
C.
D.
10.  . Simplify (2.3 × 10–5)(1.4 × 10–6)
A.
B.
C.
D.
11.  Which ordered pair is a solution of the system?–2x – 4y = 26x – 6y = 48
A.
B.
C.
D.
12.  Which system has infinitely many solutions?
A.
B.
C.
D.
13.  Simplify 0.7(2.8 × 106). Write the answer using scientific notation.
A.
B.
C.
D.
14.  Simplify 7–2.
A.
B.
C.
D.
15.  Simplify (2cd2)3(cd)6
A.
B.
C.
D.
16.  Simplify d2(d4)5
A.
B.
C.
D.
17.  Solve by elimination.5x + 8y = –297x – 2y = –67
A.
B.
C.
D.
18. 
 Simplify
A.
B.
C.
D.
19. 
Simplify . Write the answer in scientific notation.
A.
B.
C.
D.
20.  Simplify 4–6 • 40
A.
B.
C.
D.
21.  Simplify –3x2(6x3 + 2x)
A.
B.
C.
D.
22.  Simplify (j5)6
A.
B.
C.
D.
23.  Which number is written in scientific notation?
A.
B.
C.
D.
24.  Without graphing, decide whether the system has one solution, no solution, or infinitely many solutions.y = –3x + 4y = 3x + 8
25.  Solve the system using substitution.3g + 2h = 7h = –3g + 11
A.
B.
C.
D.
26. 
Evaluate  for x = –3 and y = 2.
27. 
Simplify (–)–3
A.
B.
C.
D.
28.  Write 2 • 10–3 as a decimal
A.
B.
C.
D.
29.  Simplify (0.4 × 10–6)(0.7 × 10–2). Write the answer in scientific notation.
A.
B.
C.
D.
30.  Simplify –6–3
A.
B.
C.
D.
31. 
Which graphing calculator screen shows the solution of the system?y = –x + 3y = 6x – 5
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