Question

from the greatest number by using the digits 2,4,7,9​

Answer 1

9742

Step-by-step explanation:

9742 is the greatest number using digits 2,4,7,9.

To form the greatest number, arrange digits in descending order, then make them as a number.

as, 9 > 7 > 4 > 2

So,

number will be - 9742

Hope it helps.

#BeBrainly :-)