A7. On a bicycle lock, we can set a 3-digit code. For each of the three positions, we can choose one of the digits from 0 to 9. What is the maximum number of different codes we can set?
Pick one
Official solution
A7. At each position, we can choose from ten digits, so we can set up 10⋅10⋅10= 1000 different codes.
Source: NuminaMath-1.5,
licensed Apache-2.0.
Statement and solution reproduced as published; topic, difficulty and ordering added
by this site.