Question

Kevin uses each of the digits 5, 7, 4 and 9, once and once only, to make

four-digit numbers.
c) What is the largest number that he can make?
d)
What is the smallest even number that he can make?

Answer 1

largest number= 9754

smallest number = 4579

Explanation:

largest number - 9754

9 is the larger number in 5,7,4,9

7 is the second largest

so you basically count it backwards

smallest number=4579

4 is the smalleat number in 5,7,4,9

so you basically count forward