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# decimal notation

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Senior Manager
Joined: 30 May 2005
Posts: 276
decimal notation [#permalink]

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

.
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
Manager
Joined: 21 Jun 2004
Posts: 235

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18 Jun 2005, 00:13
hundred 0s and one 1 = 101 = C
18 Jun 2005, 00:13
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# decimal notation

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