Ask
your own question, for FREE!
Mathematics
7 Online
OpenStudy (anonymous):
8+88+888......up to n=?
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (amistre64):
(10-2)+(100-12)+(1000-112)+.... hmm, not sure if that is simpler or not
OpenStudy (amistre64):
8 + 80+8 + 800+80+8+... thats better
OpenStudy (amistre64):
n 8s, n-1 80s, n-2 800s, n-3 8000s, etc
OpenStudy (amistre64):
if we factor out an 8 8(10^0(n-0)+10^1(n-1)+10^2(n-2)+...+10^n(n-n))
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
avisshomes:
What should I look for before choosing a co-living space in Gurgaon?
Twaylor:
Time flies doesn't it? I tried to not be the second squeaky wheel of the household and ended up hurting myself and others severely.
clllaaaaaire:
any tips? the quality isn't the best because I am using this site on my computer
Midnight97:
Kinda a roleplay story between me and my friend enjoy... Part one Forgive me for all the screenshots.
StevenisGhost:
what type of song should I make next, and will y'all go check out my new song on
Midnight97:
My drawing sure changed over the years look at these two pictures from 2024 to no
EdwinJsHispanic:
"poem" love is So Beautiful to have. But it's so hard to have. At this point I don't know whether its worth the wait Or if it's just millions of miles to re
EdwinJsHispanic:
"poem" love is So Beautiful to have. But it's so hard to have. At this point I don't know whether its worth the wait Or if it's just millions of miles to re
Breathless:
I don't know if this would be considered art, but its close enough I believe, Any
avisshomes:
What should I look for before choosing a co-living space in Gurgaon?
10 hours ago
6 Replies
0 Medals
Twaylor:
Time flies doesn't it? I tried to not be the second squeaky wheel of the household and ended up hurting myself and others severely.
3 days ago
12 Replies
2 Medals
clllaaaaaire:
any tips? the quality isn't the best because I am using this site on my computer
2 weeks ago
2 Replies
0 Medals
Midnight97:
Kinda a roleplay story between me and my friend enjoy... Part one Forgive me for all the screenshots.
3 weeks ago
2 Replies
1 Medal
StevenisGhost:
what type of song should I make next, and will y'all go check out my new song on
1 week ago
6 Replies
2 Medals
Midnight97:
My drawing sure changed over the years look at these two pictures from 2024 to no
3 weeks ago
6 Replies
1 Medal
EdwinJsHispanic:
"poem" love is So Beautiful to have. But it's so hard to have. At this point I don't know whether its worth the wait Or if it's just millions of miles to re
3 weeks ago
3 Replies
0 Medals
EdwinJsHispanic:
"poem" love is So Beautiful to have. But it's so hard to have. At this point I don't know whether its worth the wait Or if it's just millions of miles to re
3 weeks ago
0 Replies
0 Medals
Breathless:
I don't know if this would be considered art, but its close enough I believe, Any
4 weeks ago
3 Replies
0 Medals