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. 👁 2,994
  1. Please someone help me!

    1. 👍 0
    2. 👎 0
    posted by Electro
  2. Pls :|

    1. 👍 0
    2. 👎 0
    posted by Electro
  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. 👍 2
    2. 👎 1
    posted by Damon
  4. OMG! Thank You so much!

    1. 👍 0
    2. 👎 0
    posted by Electro
  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. 👍 21
    2. 👎 0
    posted by Thea
  6. Thea^ is right and 7. is A

    1. 👍 15
    2. 👎 0
    posted by Anon
  7. The answers above are ALL CORRECT!

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

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

    1. 👍 0
    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. 👍 6
    2. 👎 11
    posted by Lilly
  12. i hate stupid idiots like you lilly.. just for someone in the future. Lillys answers are all freaking wrong i just got a !@#$%^& 3/7 from her answers. the ACTUAL answers are D,A,B,B,C,B,A .... stupid idiots want people to get a bad score. I seriously hate stupid lilly girl go !@#$%^& yourself stupid b*ch

    1. 👍 3
    2. 👎 1
  13. TY THEA

    1. 👍 0
    2. 👎 0
  14. 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. 👍 12
    2. 👎 0
    posted by Unknown
  15. PS: you write answer wrong

    1. 👍 0
    2. 👎 0
    posted by Unknown
  16. Lilly's answers should be deleted from this question.

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

    1. 👍 0
    2. 👎 0
    posted by anon
  18. hi

    1. 👍 0
    2. 👎 0
    posted by NO
  19. 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. 👍 2
    2. 👎 0
    posted by Bob
  20. SHREEEEKKKKKKK

    1. 👍 0
    2. 👎 0
    posted by donkey
  21. are you in connections academy?

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

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

    1. 👍 2
    2. 👎 0
    posted by nibblet
  24. 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. 👍 9
    2. 👎 0
    posted by Angel_02
  25. Thank you Angel_02, you cleared up a lot. And you were correct for connexus. I got %100

    1. 👍 1
    2. 👎 0
    posted by Nolana
  26. UR AWESOME U SAVED MY !@#$%^& NOW I CAN GO TO BASKETBALL FINALS YESSSSS

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

    1. 👍 0
    2. 👎 0
  28. 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
    posted by Toast
  29. If you do Connexus, Lilly is right so y'all should back off.

    1. 👍 0
    2. 👎 0
    posted by Jaiden
  30. Angel_02 is 100% right

    1. 👍 0
    2. 👎 0
  31. 1-D
    2-A
    3-A
    4-B
    5-C
    6-B
    7-A
    Connections

    1. 👍 5
    2. 👎 0
    posted by Happy
  32. 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
  33. Anyways thanks for the help i figured i wasnt alone on doing this sorta stuff.

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

    1. 👍 2
    2. 👎 0
  35. HAPPY GOT ME 100!!!!

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

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

    1. 👍 0
    2. 👎 0
    posted by Wth
  38. Lilly is right if u are in nineth grade math unit two lesson two

    1. 👍 0
    2. 👎 0
    posted by Wth
  39. 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
    posted by Student
  40. 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
    posted by idk
  41. 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. 👎 0
  42. D
    A
    A
    B
    C
    B
    A

    1. 👍 1
    2. 👎 0
    posted by :)
  43. 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
    posted by Jordi

Respond to this Question

First Name

Your Response

Similar Questions

  1. Self-Taught Mathematicians

    Those of us who love math certainly know two basic facts about Mr. Gottfried Wilhelm Leibniz: (1) He and Newton (our calculus guy) did not get along AND (2) Mr. Leibniz was a self-taught mathematician My question is for all tutors

    asked by Guido on February 22, 2008
  2. Math...For All Math Tutors

    I would like to know how many of the people answering math questions here are current math teachers, were math teachers at one time, are current tutors working for a tutoring company or simply love math. What's your story? I would

    asked by Guido on February 15, 2008
  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

    Revise the following sentences to create parallel constructions. (Question) Some students hate math; some students dislike math, and math is liked by other students. (my answer) Some students hate math, some dislike math, and some

    asked by Rita on June 30, 2010
  5. 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
  6. LNU math

    math In a class of 50 students it was found 21 are taking English 14 are taking Math 28 are taking History 7 are taking Math and English 10 are taking Math and History 11 are taking History and English 3 are taking all three

    asked by generose on July 13, 2015
  7. To Michael

    Here's the question you posted in response to another student. "Ms.Sue do you mind if i ask were you a math teacher or are you just a genius at math and why do you do this help online do you get any benefit for doing this?" I

    asked by Ms. Sue on November 4, 2011
  8. poetry

    I need to recite this poem in front of the class and i have to add at least three more lines to it. does anyone have any suggestions? Math is the thick red book, Sitting there, waiting for you to open it, Just waiting for your

    asked by Anonymous on April 23, 2008
  9. English Grammar

    A: What time is your math/Math class? B: At eleven forty-five. Do we have to use 'math' or 'Math'? And is it a common noun or a proper noun?

    asked by John on April 18, 2008
  10. math 098

    I made 3 f's on my tests in math 098, do you think i need to withdraw and take math 090 instead. this is my first semester and i really want to do my best please help. math 098 is algebra math 090 is basic for college. the score

    asked by %%%Rena%%% on July 6, 2012
  11. Tips Plz

    Can you plz tell me some studying tips for math. How can i study math? is not like the other subject that i can just read through and memorize it. Math is hard to study because i know know how to study math when i have a upcoming

    asked by Laura ♥ on December 16, 2014

More Similar Questions