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# decimal notation

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Senior Manager
Joined: 30 May 2005
Posts: 283
Followers: 1

Kudos [?]: 3 [0], given: 0

decimal notation [#permalink]  17 Jun 2005, 16:23
.
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: 240
Followers: 1

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

hundred 0s and one 1 = 101 = C
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