Kevin uses each of the digits 5,7,4 and 9, once and once only, to make four-digits numbers.
What is the smallest even number that he can make?
Answers
Answered by
3
Answer:
it would make 7549,5749,4579,9549,4444
Answered by
10
Answer:
5794
Explanation:
the answer is this due to the fact of Kevin using each number once and the number being even.
1) the number can only be even if there is an even number on the end (0,2,4,6 or 8) so the last digit must be four.
2) next you figure out the smallest number and then the number in the middle and then the largest (5,7,9).
3) next you put the number together by arranging the numbers like the last step (579_).
4) finally you add the last digit which was put aside in the first step (4)
thus the answer is 5794
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