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# What is the least number of digits (including repetitions)

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Director
Joined: 17 Oct 2005
Posts: 940
Followers: 1

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

What is the least number of digits (including repetitions) [#permalink]  16 Nov 2005, 17:54
00:00

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
What is the least number of digits (including repetitions) needed to express 10^100 in decimal notation?

A) 4
B) 100
C) 101
D) 1,000
E) 1001
Current Student
Joined: 28 Dec 2004
Posts: 3391
Location: New York City
Schools: Wharton'11 HBS'12
Followers: 13

Kudos [?]: 180 [0], given: 2

hmm...not sure if get the question...but shouldnt 100 digits be the right answer?

B
Current Student
Joined: 28 Dec 2004
Posts: 3391
Location: New York City
Schools: Wharton'11 HBS'12
Followers: 13

Kudos [?]: 180 [0], given: 2

hmmm, lets see I get 100 zeros plus 1...which is 101..digits..

joemama142000 wrote:
Director
Joined: 15 Aug 2005
Posts: 804
Location: Singapore
Followers: 2

Kudos [?]: 17 [0], given: 0

What do you mean when you say - 'in decimal notation'??
_________________

Cheers, Rahul.

Current Student
Joined: 29 Jan 2005
Posts: 5244
Followers: 23

Kudos [?]: 179 [0], given: 0

1.0^101 or ten "googolplexes"

http://en.wikipedia.org/wiki/Googolplex
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