Math! Please Check My Awnser!

Hello! I need some help with math! I have tried to do this but I am unsure about my answers. My I will identify my answers with a "<--". Also, if I have missed one, please tell me the right answer! Also, Thanks for your help in advance! Have a nice day!

1. Which of the following expressions is written in scientific notation?

a. 73.4 x 10^5 <-- My Answer!
b. 0.09 × 10^7
c. 80 x 10^3
d. 4.22 x 10^–3

2. Which of the following is 0.0000000708 written in scientific notation?

a. 7.08 x 10^–8
b. 7.8 x 10^–8
c. 708 x 10^–10 <-- My Answer!
d. 70.08 x 10^–9

3. Which expression represents the largest number?

a. 40.1 x 10^–6
b. 4.1 x 10^–7
c. 0.411 x 10^–7
d. 0.04001 x 10^–5 <-- My Answer!

4. Which expression is equal to 1/8000 written in scientific notation?

a. 8.0 x 10^3
b. 1.25 x 10^–4
c. 125 x 10^–5 <-- My Answer!
d. 1.25 x 10^4

5. Which of the following statements is NOT true regarding an expression written in scientific notation in the form of a x 10^n ?

a. The value of a must be greater than or equal to 1 and smaller than 10.
b. The value of n must be an integer.
c. Doubling n results in a doubling of the value of the expression. <-- My Answer!
d. Doubling a results in a doubling of the value of the expression.

6. Which number is equal to 7(3.5 x 10^4) written in scientific notation?

a. 24.5 x 70^4
b. 2.45 x 10^5
c. 24.5 x 10^4
d. 1.05 x 10^5 <-- My Answer!

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  1. Please someone help me!

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  2. Pls :|

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  3. 1. Which of the following expressions is written in scientific notation?

    a. 73.4 x 10^5 <-- My Answer!
    b. 0.09 × 10^7
    c. 80 x 10^3
    d. 4.22 x 10^–3 NO ,___<------- ONE digit left of decimal. That is the whole idea.

    2. Which of the following is 0.0000000708 written in scientific notation?

    a. 7.08 x 10^–8 ____HERE<------
    ONE digit left of decimal
    b. 7.8 x 10^–8
    c. 708 x 10^–10 <-- My Answer!
    d. 70.08 x 10^–9

    3. Which expression represents the largest number?

    a. 40.1 x 10^–6 = 4.01*10^5 THE WINNER
    b. 4.1 x 10^–7
    c. 0.411 x 10^–7
    d. 0.04001 x 10^–5 <-- My Answer! THIS IS 4.001 * 10^-7 which is smaller than b or a

    4. Which expression is equal to 1/8000 written in scientific notation?

    1/8 = .125 (we all know that)
    so .125*10^-3 = 1.25 * 10^-4

    a. 8.0 x 10^3
    b. 1.25 x 10^–4 THIS IS MY ANSWER
    c. 125 x 10^–5 <-- My Answer!
    d. 1.25 x 10^4

    5. Which of the following statements is NOT true regarding an expression written in scientific notation in the form of a x 10^n ?

    a. The value of a must be greater than or equal to 1 and smaller than 10.
    b. The value of n must be an integer.
    c. Doubling n results in a doubling of the value of the expression. <-- My Answer! !!!RIGHT !!!!
    d. Doubling a results in a doubling of the value of the expression.

    6. Which number is equal to 7(3.5 x 10^4) written in scientific notation?

    MY WAY 7*3.5 = 24.5
    24.5 * 10^4 = 2.45*10^5

    a. 24.5 x 70^4
    b. 2.45 x 10^5 << BUT THIS IS MINE
    c. 24.5 x 10^4
    d. 1.05 x 10^5 <-- My Answer!

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  4. OMG! Thank You so much!

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  5. Hey here are the right answers

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

    I just failed the test thanks to them so here are the correct answers !!!!

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  6. Thea^ is right and 7. is A

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  7. The answers above are ALL CORRECT!

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  8. thea and anon are right

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  9. I got 100% thanks!

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  10. they changed the questions and i got most of them wrong

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  11. All of those answers are Wrong it's
    A
    A
    B
    C
    B
    C
    A

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  12. TY THEA

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  13. It’s
    1) D- 4.22x10^5
    2) A- 7.08x10^-8
    3) A- 6.1x10^-7
    4) B- 1.25x10^-4
    5) C- doubling n results in a doubling of the value of the expression
    6) B- 2.45x10^5
    7) A- 3x10^3
    I just took the quiz and this is right for me.

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  14. PS: you write answer wrong

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  15. Lilly's answers should be deleted from this question.

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  16. all of unknowns answers are right.

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  17. Lilly is actually correct as well. The questions were just mixed up for different people. I did my work then checked them and my answers matched hers.

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  18. SHREEEEKKKKKKK

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  19. are you in connections academy?

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  20. Unknown is right!!!!! 100%

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  21. LILLY IS RIGHT FOR CONNEXUS STUDENTS DONT LISTEN TO ANYONE ELSE IF YOU ARE ONE

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  22. 1) D- 4.22x10^5
    2) A- 7.08x10^-8
    3) A- 6.1x10^-7
    4) B- 1.25x10^-4
    5) C- doubling n results in a doubling of the value of the expression
    6) B- 2.45x10^5
    7) A- 3x10^3
    Lesson 2: Scientific Notation
    Connections Answers
    Hope this helps!
    (7/7) ;)

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  23. Thank you Angel_02, you cleared up a lot. And you were correct for connexus. I got %100

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  24. Angel_2 is correct for that lesson 2 unit two but still check

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  25. wow... i just read this whole thing instead of doing my english test XD yo, anyone else from connections, add me on snap! maybe we have some classes together (iamtoast42)

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  26. If you do Connexus, Lilly is right so y'all should back off.

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  27. Angel_02 is 100% right

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  28. 1-D
    2-A
    3-A
    4-B
    5-C
    6-B
    7-A
    Connections

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  29. D,A,?,B,C,B,A those are most of the answers for connections lol. i got 6/7 i dont know what 3 is thanks for the help.

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  30. Anyways thanks for the help i figured i wasnt alone on doing this sorta stuff.

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  31. d
    a
    a
    b
    c
    b
    a
    your welcome

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  32. HAPPY GOT ME 100!!!!

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  33. ANGEL_02 IS RIGHT THANK YOU!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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  34. Hell no I won’t

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  35. Lilly is right if u are in nineth grade math unit two lesson two

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  36. Yeah if you have Algebra 1 Unit 3 Lesson 2:Exponents and Exponential functions the naswers are:
    A
    A
    B
    C
    B
    C
    A
    I swear i got a 2/7 with the other answers.

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  37. guys we are all taking different tests. Some people are taking the answers for another test which is why they are failing!

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  38. I just got a 3/7 using these answers!
    The right answers for Connections Academy:
    1. A
    2. A
    3. B
    4. C
    5. B
    6. C
    7. A
    I guess that was just karma for trying to cheat!

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  39. D
    A
    A
    B
    C
    B
    A

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  40. Answers for TCAH are Thea and Anon's answers. Depending on which Connexus site you are from, then Lilly's and Thea's and Anon's answers are all correct!

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  41. I'm in connexus and Theas answers were right lily's answers are right too for some people each student has question in different orders. So make sure you check your answers before using it.

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  42. answers are__
    D
    A
    A
    B
    C
    B
    A

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  43. TX Connections ALG 1B L2 U3
    1. A
    2. A
    3. B
    4. C
    5. B
    6. C
    7. A

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  44. joey is right

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  45. hello boys no girls allowed

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  46. Dont Trust That is correct Joey is wrong

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  47. Does anyone have the rest of the answers

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