7th grade math
posted by Delilah .
1.
The area of Greenland is 840,000 square miles. What is this number in scientific notation? (1 point)
840 x 105
84 x 10–5
8.4 x 105
8.4 x 10–5
2.
What answer represents this number in scientific notation?
0.00000916 (1 point)
916 x 10–8
9.16 x 10–6
916 x 108
9.16 x 106
3.
What is this number in standard form?
5.75 x 109 (1 point)
5,750,000,000
575,000,000,000
0.00000000575
0.575000000000
4.
What is this number in standard form?
6.8 x 10–4 (1 point)
68,000
680,000
0.000068
0.00068
5.
In a recent year the world production of wheat was about 5.2 x 108 metric tons. What is this number in standard notation? (1 point)
0.000000052
0.0000000052
520,000,000
5,200,000,000

We Jiskha tutors are here to help students  not do their homework for them!!
In all of the questions you've posted, you haven't given us any idea about what confuses you and what you do know about the answers. 
c
a
b
c
c 
The answers are actuall
c
b
a
c
c 
actually is what I meant

C B A D C
You will find these the correct answers actually, if you going to post answers for someone at least make sure they are right, LuLuQuack and Mr. Finch are both incorrect I apologize, you probably failed that Quick Check, but hey that's what you get for cheating on Connections Academy, you're doing that program to learn not to cheat your way out. 
This is actually 8th grade math btw and answers
1. C
2. B
3. A
4. D
5. C
5/5 100% 
Kid... you were sooo wrong on two of those

Kid was right
Sofa was right
LuLu Quack and Mr. Finch were both wrong
It is really and genuinely
1.C
2.B
3.A
4.D
5.C 
Cbadc

This is actually 8th grade.
Kid and Sofa were right👍🏽
Your mom, I'm sick and tired of u. They were just trying to help. You don't have cuss them out. 
I actually use this website too check my answers. Not too cheat

Sofa is so right by saying you go to connections to learn not to cheat I just use these to check my work

Thanks Kid!!! 100%