Posted by Electro on Tuesday, January 14, 2014 at 3:20pm.
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!

Math! Please Check My Awnser!  Electro, Tuesday, January 14, 2014 at 3:27pm
Please someone help me!

Ms. Sue or Steve Pls Help  Electro, Tuesday, January 14, 2014 at 3:39pm
Pls :

Math! Please Check My Awnser!  Damon, Tuesday, January 14, 2014 at 4:15pm
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!

Math! Please Check My Awnser!  Electro, Tuesday, January 14, 2014 at 4:19pm
OMG! Thank You so much!

Math! Please Check My Awnser!  Thea, Wednesday, January 28, 2015 at 9:11am
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 !!!!

Math! Please Check My Awnser!  Anon, Tuesday, February 16, 2016 at 8:27pm
Thea^ is right and 7. is A

Math! Please Check My Awnser!  LiterallyWaluigi, Wednesday, January 18, 2017 at 3:25am
The answers above are ALL CORRECT!

Math! Please Check My Awnser!  awnsers, Monday, February 6, 2017 at 1:19pm
thea and anon are right

Math! Please Check My Awnser!  king teen, Monday, February 13, 2017 at 7:11pm
I got 100% thanks!

Math! Please Check My Awnser!  connexus, Monday, February 20, 2017 at 7:30pm
they changed the questions and i got most of them wrong

Math! Please Check My Awnser!  Lilly, Thursday, February 23, 2017 at 3:50pm
All of those answers are Wrong it's
A
A
B
C
B
C
A
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