sanjaylakhani Senior | Next Rank: 100 Posts View User Profile Posts: 47 Joined: Wed Apr 30, 2008 8:13 pm Decimal by sanjaylakhani » Sun Jun 22, 2008 1:47 am What is the least number of digits (including repetitions) needed to express 10 in decimal notation? 100 (A) 4 (B) 100 (C) 101 (D) 1,000 (E) 1,001 Can't somebody help please Top Quote