Question: Need help with probability question 1) A lottery manager selects a winning number based on the following rule. The winning number comprises of 4 digits

Need help with probability question

1) A lottery manager selects a winning number based on the following rule. The winning number comprises of 4 digits which are selected at random from the set {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}. It is permissible for a digit to be selected any number of times. How many ways can the lottery manager select the winning number

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