Largest Number Using 9 up to 7 digits

Q.

Which is the largest $3$-digit number?

Q.

The largest number of digits $2,3,4,5,6$ is $65432$

1. True
2. False

Q. Phoebe wants to make the largest 7 digit number possible using the digits 7, 6, 1, 4, 3, 0, 9. A digit can be repeated any number of times.The number formed by Phoebe is

Q. Rose has 990 dollars in her piggy bank. How much money is needed to get the money equivalent to the largest three-digit number?

1. 9 dollars
2. 10 dollars
3. 11 dollars
4. 999 dollars

Q. What is the largest $5$ digit number possible?

1. 99999