Check GMAT Club Decision Tracker for the Latest School Decision Releases https://gmatclub.com/AppTrack

 It is currently 30 May 2017, 02:16

### GMAT Club Daily Prep

#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

# Events & Promotions

###### Events & Promotions in June
Open Detailed Calendar

# 2 + 2 + 2^2 + 2^3 + 2^4 + 2^5 + 2^6 + 2^7 + 2^8 a. 2^9 b.

 post reply Question banks Downloads My Bookmarks Reviews Important topics
Author Message
Manager
Joined: 05 Dec 2005
Posts: 92
Location: Manhattan Beach, CA
Followers: 1

Kudos [?]: 0 [0], given: 0

2 + 2 + 2^2 + 2^3 + 2^4 + 2^5 + 2^6 + 2^7 + 2^8 a. 2^9 b. [#permalink]

### Show Tags

04 May 2006, 15:53
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

2 + 2 + 2^2 + 2^3 + 2^4 + 2^5 + 2^6 + 2^7 + 2^8

a. 2^9

b. 2^10

c. 2^16

d. 2^35

e. 2^37

the long way is obvious - what's the short cut?
VP
Joined: 29 Dec 2005
Posts: 1341
Followers: 10

Kudos [?]: 62 [0], given: 0

### Show Tags

04 May 2006, 18:05
consultinghokie wrote:
2 + 2 + 2^2 + 2^3 + 2^4 + 2^5 + 2^6 + 2^7 + 2^8
a. 2^9
b. 2^10
c. 2^16
d. 2^35
e. 2^37

2 + 2 + 2^2 = 2^3
2 + 2 + 2^2 + 2^3 = 2^4
2 + 2 + 2^2 + 2^3 + 2^4 = 2^5

so the pattern keeps on continue

2 + 2 + 2^2 + ............+ 2^8 = 2^9
2 + 2 + 2^2 + ............+ 2^9= 2^10.
2 + 2^2 + .............. + 2^10 = 2^11
.
.
.
.
2 + 2^2 + .............. + 2^99 = 2^100
VP
Joined: 06 Jun 2004
Posts: 1055
Location: CA
Followers: 2

Kudos [?]: 159 [0], given: 0

### Show Tags

04 May 2006, 21:53
Agree with Professor's approach and it should be 2^9
_________________

Don't be afraid to take a flying leap of faith.. If you risk nothing, than you gain nothing...

Manager
Joined: 27 Mar 2006
Posts: 136
Followers: 1

Kudos [?]: 1 [0], given: 0

### Show Tags

07 May 2006, 15:20
Agree with 2^9
VP
Joined: 29 Apr 2003
Posts: 1403
Followers: 2

Kudos [?]: 29 [0], given: 0

### Show Tags

07 May 2006, 15:24
Yep, getting 2^9 also.
07 May 2006, 15:24
Display posts from previous: Sort by

# 2 + 2 + 2^2 + 2^3 + 2^4 + 2^5 + 2^6 + 2^7 + 2^8 a. 2^9 b.

 post reply Question banks Downloads My Bookmarks Reviews Important topics

 Powered by phpBB © phpBB Group and phpBB SEO Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.