Ch. 8 Test Exponent Properties And Scientific Notation

31 Questions  I  By Tdas2002
Ch. 8 Test Exponent Properties And Scientific Notation
Exponent Properties and Scientific Notationlinear systems

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