Digits

How many natural numbers greater than 4000 which are formed from the numbers 0,1,3,7,9 with the figures not repeated,

B) How many will the number of natural numbers less than 4000 and the numbers can be repeated?

Result

a =  144
b =  375

Solution:

Solution in text a =
Solution in text b =

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To solve this verbal math problem are needed these knowledge from mathematics:

See also our permutations calculator. See also our variations calculator. Would you like to compute count of combinations?

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