a) Consider the digits : 0, 2, 4, 5, 6 , 7. i) How many 4 digits numbers can be formed if repetition is not allowed and not leading with a zero. ii) If the numbers is allowed to repeat, find the possible arrangement of the numbers are divisible by 5 between 300 000 to 700 000.
a) Consider the digits : 0, 2, 4, 5, 6 , 7. i) How many 4 digits numbers can be formed if repetition is not allowed and not leading with a zero. ii) If the numbers is allowed to repeat, find the possible arrangement of the numbers are divisible by 5 between 300 000 to 700 000.
Chapter9: Sequences, Probability And Counting Theory
Section9.5: Counting Principles
Problem 36SE: The number of 5-element subsets from a set containing n elements is equal to the number of 6-element...
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