A bicycle license uses the letters A and B and the number 4. Either of the symbols may be repeated, and every license has exactly three characters. Create a list to find the sample space. Then find the probability of a license with three letters.

Fatima plans to spend at least $15 and at most $20 dollars on sketch pads and pencils. if she buys 2 sketchpads, how many pemcils can she buy while staying in her price range? fatima can buy between and pencils. ? (type whole numbers. use ascending? order.)