Math

1. (6.0 x 10^5) x (3.0 x 10^4) =

a. 18 x 10^20
b. 18 x 10^9
c. 1.8 x 10^20
d. 1.8 x 10^9

2. (5 x 10^-2) ÷ (2 x 10^3) =

a. 2.5 x 10^-5
b. 2.5 x 10^-1
c. 25 x 10^1
d. 25 x 10^2

3. (2.56 x 10^6) x (3.56 x 10^2) =

a. 9.1136 x 10^12
b. 91.136 x 10^8
c. 9.1136 x 10^8
d. 91.136 x 10^12

4. In a recent year, the population of California was about 2.52 x 10^7 people. Its land area is about 4.05 x 10^5 km^2. What was the average number of people per square kilometer?

a. 0.62 x 10^5
b. 6.2 x 10^1
c. 0.62 x 10^14
d. 6.2 x 10^9

  1. 👍 0
  2. 👎 2
  3. 👁 4,010
  1. My answers are

    1. d
    2. c
    3. b
    4. a

    1. 👍 1
    2. 👎 10
  2. Can any body cheack my answers

    1. 👍 1
    2. 👎 1
  3. 1. b
    2. c
    3. c
    4. a

    1. 👍 0
    2. 👎 7
  4. they are all wrong

    1. 👍 4
    2. 👎 1
  5. 1.d
    2.a
    3.c
    4.b

    1. 👍 63
    2. 👎 0
  6. ^^Kelly is correct:

    1. D
    2. A
    3. C
    4. B

    1. 👍 30
    2. 👎 0
  7. Keep the chain going! both kid and kelly are correct!
    1.D
    2.A
    3.C
    4.B

    1. 👍 18
    2. 👎 0
  8. Kelly, Kid, and Joe are correct

    1. D
    2. A
    3. C
    4. B

    1. 👍 11
    2. 👎 2
  9. theyre still the same I made a 100

    1. 👍 6
    2. 👎 0
  10. My answers
    1. D
    2.A
    3.c
    4.b I got a 100% trust me will pass it

    1. 👍 7
    2. 👎 1
  11. D
    A
    C
    B

    This is the Practice Test for Connectios Lesson 9: Operations and Applictions of Scientific Notation

    Trust me I just did it got a 100% so you picked/said these are the right ones then good job :3

    1. 👍 5
    2. 👎 1
  12. yes kelly is right

    1. 👍 2
    2. 👎 0
  13. yes kelly is right

    1. 👍 2
    2. 👎 0
  14. 1.D
    2.A
    3.C
    4.B
    yes everyone is correct .

    1. 👍 4
    2. 👎 1
  15. 1. D
    2. A
    3. C
    4. B

    1. 👍 4
    2. 👎 0
  16. Can someone explain them? How did you get d on 1? I got c. Not saying I don’t believe you, I just don’t know how you got that.

    1. 👍 0
    2. 👎 1
  17. dacb

    1. 👍 4
    2. 👎 0
  18. dude these still work in oct 2019 yeehaw

    1. 👍 3
    2. 👎 0
  19. m mxmmx

    1. 👍 0
    2. 👎 0
  20. how do you write 2.4 times 10 to the 4th power in standard form???

    1. 👍 0
    2. 👎 1
  21. d
    a
    c
    b

    1. 👍 3
    2. 👎 0
  22. 504 Caseload

    1. 👍 0
    2. 👎 0

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