Question

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!

Answer 1

Please someone help me!

Answer 2

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!

Answer 3

OMG! Thank You so much!

Answer 4

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 !!!!

Answer 5

Thea^ is right and 7. is A

Answer 6

The answers above are ALL CORRECT!

Answer 7

thea and anon are right

Answer 8

I got 100% thanks!

Answer 9

they changed the questions and i got most of them wrong

Answer 10

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

Answer 11

TY THEA

Answer 12

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.

Answer 13

PS: you write answer wrong

Answer 14

Lilly's answers should be deleted from this question.

Answer 15

all of unknowns answers are right.

Answer 16

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.

Answer 17

SHREEEEKKKKKKK

Answer 18

are you in connections academy?

Answer 19

Unknown is right!!!!! 100%

Answer 20

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

Answer 21

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) ;)

Answer 22

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

Answer 23

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

Answer 24

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)

Answer 25

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

Answer 26

Angel_02 is 100% right

Answer 27

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

Answer 28

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.

Answer 29

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

Answer 30

d
a
a
b
c
b
a
your welcome

Answer 31

HAPPY GOT ME 100!!!!

Answer 32

ANGEL_02 IS RIGHT THANK YOU!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 33

Hell no I won’t

Answer 34

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

Answer 35

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.

Answer 36

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

Answer 37

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!

Answer 38

D
A
A
B
C
B
A

Answer 39

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!

Answer 40

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.

Answer 41

answers are__
D
A
A
B
C
B
A

Answer 42

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

Answer 43

joey is right

Answer 44

hello boys no girls allowed

Answer 45

Dont Trust That is correct Joey is wrong

Answer 46

Does anyone have the rest of the answers

Answer 47

As of this year, @Dont Do That^^ is 100% CORRECT

Answer 48

Joey is right for TX Connections Academy!!

Answer 49

Which of the following expressions is written in scientific notation?

Incorrect answer A. 73.4 x10^5

Incorrect answer B. 0.09 x10^7

Incorrect answer C. 80 x10 ^ 3

Correct answer D. 4.22 x10^-3

Which of the following is 0.0000000708 written in scientific notation?

Correct answer A. 7.08 x10^-8

Incorrect answer B. 7.8 x10^-8

Incorrect answer C. 708 x10^-10

Incorrect answer D. 70.08 x10^-9

Which expression represents the largest number?

Correct answer A. 6.1 x10^-7

Incorrect answer B. 4.1 x10^-7

Incorrect answer C. 3.1 x10^- 8

Incorrect answer D. 5.1 x10^- 8

Which expression is equal to Start Fraction 1/8000 End Fraction written in scientific notation?

Incorrect answer A. 8.0 x10^3

Correct answer B. 1.25 x10^- 4

Incorrect answer C. 125 x10^-5

Incorrect answer D. 1.25 x10^4

Which of the following statements is NOT true regarding an expression written in scientific notation in the form of a times 10 Superscript n baseline?

Incorrect answer A. The value of a must be greater than or equal to 1 and smaller than 10.

Incorrect answer B. The value of n must be an integer.

Correct answer C. Doubling n results in a doubling of the value of the expression.

Incorrect answer D. Doubling a results in a doubling of the value of the expression.

Answer 50

I hope that helps you if you needed it and it says on the left whether the answer is incorrect or not 🤗