Question

find the difference between the greatest and the smallest number formed by using all the Digits 8,0,9,2,7,1 only one each time

Answer 1

The greatest number = 987210

The smallest number = 012798

Difference = 987210 - 12789

= 974,421


Hope it helps u : )

Answer 2

The greatest no is 987210 and the smallest no is 102987
$a + b$
A=greatest no
B=smallest no

987210-102789=884421