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decimal notation

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Senior Manager
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decimal notation [#permalink]

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New post 17 Jun 2005, 17:23
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

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:) hello
:? 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) 1,001
how to approach this one
i would go for c
c and e seem to be the only possible choice
thanks
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New post 18 Jun 2005, 00:13
hundred 0s and one 1 = 101 = C
  [#permalink] 18 Jun 2005, 00:13
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