Ch. 8 Test Exponent Properties And Scientific Notation

31 Questions | By Tdas2002 | Updated: Mar 21, 2022 | Attempts: 101

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Exponent Properties and Scientific Notationlinear systems

Questions and Answers

1.

Evaluate for x = –3 and y = 2.
2.

Simplify 7–2.
- A.
  
  49
- B.
  
  –14
- C.
  
  1/49
- D.
  
  1/14
3.

Simplify –6–3
- A.
  
  1/216
- B.
  
  –1/216
- C.
  
  1/18
- D.
  
  –1/18
4.

Evaluate b–3 for b = 3
- A.
  
  27
- B.
  
  1/ 9
- C.
  
  1/ 27
- D.
  
  –27
5.

Write 2 • 10–3 as a decimal
- A.
  
  2000 #
- B.
  
  20,000
- C.
  
  0.002
- D.
  
  0.020
6.

Write 10–5 as a decimal
- A.
  
  10,000
- B.
  
  1,000,000
- C.
  
  0.00001
- D.
  
  0.0010
7.

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
8.

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
9.

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
10.

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
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 –3x2(6x3 + 2x)
- A.
  
  –18x^5 – 6x^3
- B.
  
  –6x^5 – x^3
- C.
  
  –6x^6 – x^2
- D.
  
  –18x^6 – 6x^2
13.

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
14.

. 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
15.

Simplify (–k2)3.
- A.
  
  # –k8 x
- B.
  
  k^5
- C.
  
  –k^6
- D.
  
  –k^5
16.

Simplify (j5)6
- A.
  
  j^30
- B.
  
  J^11
- C.
  
  j^5/6
- D.
  
  J^15,625
17.

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
18.

Simplify (11p4)–2
- A.
  
  121p^2
- B.
  
  1 / (121p^8)
- C.
  
  P^2 / 121
- D.
  
  11p^2
19.

Write with only one exponent.
20.

Simplify . Write the answer in scientific notation.
- A.
  
  6 × 10^4
- B.
  
  6 × 10^2
- C.
  
  6 × 10^–4
- D.
  
  6 × 10^3
21.

Simplify
- A.
  
  D^12 / e^2
- B.
  
  D^7/e^6
- C.
  
  D ^12/e^8
- D.
  
  D ^7/ e^2
22.

Simplify (–)–3
- A.
  
  27/64
- B.
  
  –27/64
- C.
  
  –64/27
- D.
  
  64/27
23.

Simplify d2(d4)5
- A.
  
  D^18
- B.
  
  D^11
- C.
  
  D^22
- D.
  
  D^13
24.

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?
25.

Simplify 4–6 • 40
- A.
  
  4096
- B.
  
  1 / 4096
- C.
  
  -24
- D.
  
  0