# 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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3. 👁 2,994

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posted by Electro
2. Pls :|

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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!

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posted by Damon
4. OMG! Thank You so much!

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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 !!!!

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posted by Thea
6. Thea^ is right and 7. is A

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posted by Anon
7. The answers above are ALL CORRECT!

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8. thea and anon are right

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posted by awnsers
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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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

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13. TY THEA

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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.

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posted by Unknown
15. PS: you write answer wrong

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posted by Unknown
16. Lilly's answers should be deleted from this question.

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17. all of unknowns answers are right.

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posted by anon
18. hi

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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.

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posted by Bob
20. SHREEEEKKKKKKK

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posted by donkey
21. are you in connections academy?

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22. Unknown is right!!!!! 100%

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

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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
Hope this helps!
(7/7) ;)

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

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

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

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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)

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posted by Toast
29. If you do Connexus, Lilly is right so y'all should back off.

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posted by Jaiden
30. Angel_02 is 100% right

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

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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.

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

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34. d
a
a
b
c
b
a

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35. HAPPY GOT ME 100!!!!

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36. ANGEL_02 IS RIGHT THANK YOU!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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37. Hell no I won’t

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posted by Wth
38. Lilly is right if u are in nineth grade math unit two lesson two

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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.

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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!

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posted by idk
41. I just got a 3/7 using these answers!
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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42. D
A
A
B
C
B
A

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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!

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posted by Jordi

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