1. I'm a seven-digit number.Five of my diguts are zeros. What is the greatset possible number that i can be if the other digits are different? 2.I am a seven-digit number with digits 1 to 7. Each digit is used only once.From left to right the digits are arranged from greatest to least. 3. I am an odd six- digit number whose tens digit is less than the tens digit in 345 211. My ones digit is greater than the ones digit in 345 208. The rest of my digits are the same ad these twi number. What is the smallest number that I can be?4. I am the difference between 888 rounded to the nearest 10 and 880 rounded to the nearest 100.