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!

  1. 👍 0
  2. 👎 0
  3. 👁 5,048
  1. Please someone help me!

    1. 👍 0
    2. 👎 0
  2. Pls :|

    1. 👍 0
    2. 👎 0
  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!

    1. 👍 3
    2. 👎 4
  4. OMG! Thank You so much!

    1. 👍 0
    2. 👎 0
  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 !!!!

    1. 👍 58
    2. 👎 3
  6. Thea^ is right and 7. is A

    1. 👍 37
    2. 👎 0
  7. The answers above are ALL CORRECT!

    1. 👍 3
    2. 👎 0
  8. thea and anon are right

    1. 👍 2
    2. 👎 0
  9. I got 100% thanks!

    1. 👍 1
    2. 👎 0
  10. they changed the questions and i got most of them wrong

    1. 👍 0
    2. 👎 0
  11. All of those answers are Wrong it's
    A
    A
    B
    C
    B
    C
    A

    1. 👍 7
    2. 👎 16
  12. TY THEA

    1. 👍 0
    2. 👎 0
  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.

    1. 👍 24
    2. 👎 0
  14. PS: you write answer wrong

    1. 👍 0
    2. 👎 0
  15. Lilly's answers should be deleted from this question.

    1. 👍 0
    2. 👎 1
  16. all of unknowns answers are right.

    1. 👍 0
    2. 👎 0
  17. hi

    1. 👍 0
    2. 👎 0
  18. 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.

    1. 👍 3
    2. 👎 0
  19. SHREEEEKKKKKKK

    1. 👍 0
    2. 👎 0
  20. are you in connections academy?

    1. 👍 0
    2. 👎 0
  21. Unknown is right!!!!! 100%

    1. 👍 0
    2. 👎 0
  22. LILLY IS RIGHT FOR CONNEXUS STUDENTS DONT LISTEN TO ANYONE ELSE IF YOU ARE ONE

    1. 👍 2
    2. 👎 0
  23. 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) ;)

    1. 👍 10
    2. 👎 0
  24. Thank you Angel_02, you cleared up a lot. And you were correct for connexus. I got %100

    1. 👍 1
    2. 👎 0
  25. Angel_2 is correct for that lesson 2 unit two but still check

    1. 👍 0
    2. 👎 0
  26. 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)

    1. 👍 0
    2. 👎 1
  27. If you do Connexus, Lilly is right so y'all should back off.

    1. 👍 0
    2. 👎 0
  28. Angel_02 is 100% right

    1. 👍 0
    2. 👎 0
  29. 1-D
    2-A
    3-A
    4-B
    5-C
    6-B
    7-A
    Connections

    1. 👍 5
    2. 👎 0
  30. 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.

    1. 👍 0
    2. 👎 0
  31. Anyways thanks for the help i figured i wasnt alone on doing this sorta stuff.

    1. 👍 0
    2. 👎 0
  32. d
    a
    a
    b
    c
    b
    a
    your welcome

    1. 👍 3
    2. 👎 0
  33. HAPPY GOT ME 100!!!!

    1. 👍 1
    2. 👎 0
  34. ANGEL_02 IS RIGHT THANK YOU!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

    1. 👍 1
    2. 👎 0
  35. Hell no I won’t

    1. 👍 0
    2. 👎 0
  36. Lilly is right if u are in nineth grade math unit two lesson two

    1. 👍 0
    2. 👎 0
  37. 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.

    1. 👍 1
    2. 👎 2
  38. guys we are all taking different tests. Some people are taking the answers for another test which is why they are failing!

    1. 👍 0
    2. 👎 0
  39. 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!

    1. 👍 1
    2. 👎 1
  40. D
    A
    A
    B
    C
    B
    A

    1. 👍 2
    2. 👎 0
  41. 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!

    1. 👍 0
    2. 👎 0
  42. 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.

    1. 👍 1
    2. 👎 0
  43. answers are__
    D
    A
    A
    B
    C
    B
    A

    1. 👍 2
    2. 👎 0
  44. TX Connections ALG 1B L2 U3
    1. A
    2. A
    3. B
    4. C
    5. B
    6. C
    7. A

    1. 👍 0
    2. 👎 0
  45. joey is right

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. English

    Choose the sentence that is written in active voice. A. The math problems were given to the students. B. The students were taking a math test. C. The math test was given by the instructor. D. The math test grades were given to the

    asked by Angela on June 24, 2014
  2. Stats

    About 10% of the population of a large country is math phobic. If two people are randomly selected what is the probability both are math phobic? And hat is the probability that at least one is math phobic? Any way to do this on

    asked by Michelle on October 11, 2015
  3. How to get quick responses to your math questions

    Math is a wide subject, ranging from K to 11, college and university. Then there is algebra, trigonometry, geometry, arithmetic, calculus, number theory, ... etc. Not all teachers answer all math questions (many do). If you would

    asked by MathMate on May 25, 2013
  4. Micro- Econ

    You have an hour between your economics and math classes. What is the opportunity cost of that time if you use it to complete your math homework instead of your economics homework? the economics homework you could have completed

    asked by Angela on June 10, 2018
  1. statistics

    The box plot below summarize the distributions of SAT verbal and math scores among students at an upstate New York high school. 300 400 500 600 700 800 data Whic of the following statements is false? 1. The range of the math

    asked by Gee on September 18, 2012
  2. MATH

    MAKE R the subject of the formulaq........ I =(mne) devide by (mR+nr)...........Its N2 math can u help? It's not at all clear to me what your question is, what does this mean? "MAKE R the subject of the formulaq........" In this

    asked by MICHELLE on September 26, 2006
  3. College

    What happens if I don’t do well on the accuplacer test? I suck at math. If I score low on math will they give me a remedial/low level math course?

    asked by CommunityCollegeGirl on May 29, 2018
  4. math

    Resource allocation podunk institute of technology’s math deaprtment offers two cources: finite math and applied calculus.each section of finite math has 60 studnets, and each section of applied calculus has 50. The department

    asked by Swayne on November 29, 2013
  1. Algebra

    "What might you have if you don't feel well?" That's a math riddle actually... The letters are E,G,O,S,O,N,V,L. It has A LOT to do with math actually!

    asked by Chantrice on November 2, 2009
  2. Math Please Check!!

    Please check my answer to see if I got it right. Thanks. Braden has 1 hour of math homework to do. He spends 2/5 of this time complaining about how much he hates math, 1/3 of the total time looking for his calculator. How much

    asked by Justin on November 26, 2012
  3. What Makes A Good Math Teacher?

    I think a good math teacher is someone who can explain math topics at the level of students. A good math teacher is someone who does not try to impress students with his or her math skills (college math professors are famous for

    asked by Guido on February 22, 2008
  4. English

    I'm worried about my math. 1. Why don't you buy a math self- teaching book and solve math problems a lot. 2. Why don't you buy a math self-study book and solve math problems a lot. 3. Why don't you go to a math academy and study

    asked by rfvv on March 4, 2016

You can view more similar questions or ask a new question.