What is the least number of digits (including repetitions) needed to express 10^100 in decimal notation?

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by AAPL » Thu Jul 08, 2021 6:34 am

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What is the least number of digits (including repetitions) needed to express 10^100 in decimal notation?

A. 4
B. 100
C. 101
D. 1000
E. 1001

OA C

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Source: Beat The GMAT — Problem Solving | Thu Jul 08, 2021 6:34 am

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