Question

what are the greastest and the least numbers that can be formed with 7 digits ? find their difference

Answer 1

↑ Here is your answer ↓
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Greatest,

$= 9999999$

Least,

$= 1000000$

Difference,

$= 9999999 - 1000000$

$= 8999999$

Answer 2

Greatest 7 digit number- 9999999
Least 7 digit number- 1000000
Difference = 9999999-1000000
= 8999999