# Ch. 8 Test Exponent Properties And Scientific Notation

31 Questions  I  By Tdas2002
Exponent Properties and Scientific Notationlinear systems

Changes are done, please start the quiz.

 1 Which number is written in scientific notation?
 A. 0.4 × 10^–5
 B. 68 × 10^3
 C. 12 × 10^2
 D. 5.3 × 10^–7
 2 Simplify –4x3 • 2y–2 • 5y5 • x–8
 A. –x to the 5th power over 40y cubed
 B. –5y cubed over 2x to the 5th power
 C. –2x to the 5th power over 5y cubed
 D. –40y cubed over x to the 5th power
 3 Simplify d2(d4)5
 A. D^18
 B. D^11
 C. D^22
 D. D^13
 4 Write 10–5 as a decimal
 A. 10,000
 B. 1,000,000
 C. 1e-05
 D. 0.001
 5 Simplify (11p4)–2
 A. 121p^2
 B. 1 / (121p^8)
 C. P^2 / 121
 D. 11p^2
 6 Evaluate  for x = –3 and y = 2.
 7 Which system has infinitely many solutions?
 A. 3x – 3y = 3 x – y = 1
 B. 4x + 2y = 1 2x – y = 2
 C. X + y = –1 x – y = 1
 D. 2x – y = –2 x – 2y = 2
 8 Simplify 5(2.7 × 10–4). Write the answer using scientific notation.
 A. 13.5 × 10^–2
 B. 1.35 × 10^–3
 C. 13.5 × 10^–4
 D. 1.35 × 10^–5
 9 . Simplify (2.3 × 10–5)(1.4 × 10–6)
 A. 3.22 × 10^–11
 B. 32.2 × 10^–12
 C. 3.7 × 10^–11
 D. 3.22 × 10^30
 10 Simplify (–k2)3.
 A. # –k8 x
 B. k^5
 C. –k^6
 D. –k^5
 11 Simplify (0.4 × 10–6)(0.7 × 10–2). Write the answer in scientific notation.
 A. 28 × 10^–9
 B. 0.28 × 10^–8
 C. 2.8 × 10^–9
 D. 2.8 × 10^
 12 Simplify 0.7(2.8 × 106). Write the answer using scientific notation.
 A. 19.6 × 10^6
 B. 1.96 × 10^6
 C. 19.6 × 10^5
 D. 1.96 × 10^5
 13 Simplify –6–3
 A. 1/216
 B. –1/216
 C. 1/18
 D. –1/18
 14 Simplify 7–2.
 A. 49
 B. –14
 C. 1/49
 D. 1/14
 15 Which list has the numbers in order from least to greatest?
 A. 5.4 × 10^4, 5.4 × 10^3, 4.5 × 10^4
 B. 5.4 × 10^3, 4.5 × 10^4, 5.4 × 10^4
 C. 5.4 × 10^3, 5.4 × 10^4, 4.5 × 10^4
 D. 4.5 × 10^4, 5.4 × 10^3, 5.4 × 10^4
 16 Simplify . Write the answer in scientific notation.
 A. 6 × 10^4
 B. 6 × 10^2
 C. 6 × 10^–4
 D. 6 × 10^3
 17 Which graphing calculator screen shows the solution of the system?y = –x + 3y = 6x – 5
 18 Write with only one exponent.
 19 Without graphing, decide whether the system has one solution, no solution, or infinitely many solutions.y = –3x + 4y = 3x + 8
 20 Solve the system using substitution.3g + 2h = 7h = –3g + 11
 A. (6, –7)
 B. (5, –4)
 C. (–4, 19/2)
 D. (6, –3)
 21 Solve by elimination.5x + 8y = –297x – 2y = –67
 A. (–1, –3)
 B. (–10, 21/ 8)
 C. (–9, 2)
 D. (–7, 9)
 22 Simplify (–)–3
 A. 27/64
 B. –27/64
 C. –64/27
 D. 64/27
 23 Simplify (j5)6
 A. j^30
 B. J^11
 C. j^5/6
 D. J^15,625
 24 Evaluate b–3 for b = 3
 A. 27
 B. 1/ 9
 C. 1/ 27
 D. –27
 25 Simplify –3x2(6x3 + 2x)
 A. –18x^5 – 6x^3
 B. –6x^5 – x^3
 C. –6x^6 – x^2
 D. –18x^6 – 6x^2
 26 Which ordered pair is a solution of the system?–2x – 4y = 26x – 6y = 48
 A. (4, –1)
 B. (5, –3)
 C. (1, –5)
 D. (7, –4)
 27 Simplify
 A. D^12 / e^2
 B. D^7/e^6
 C. D ^12/e^8
 D. D ^7/ e^2
 28 Simplify 4–6 • 40
 A. 4096
 B. 1 / 4096
 C. -24
 D. 0
 29 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?
 30 Simplify (2cd2)3(cd)6
 A. 2c^9 d^12
 B. 2c^4 d^12
 C. 8c^9 d^12
 D. 8c^9 d^8
 31 Write 2 • 10–3 as a decimal
 A. 2000 #
 B. 20,000
 C. 0.002
 D. 0.02
Take Another Quiz