You can do this for any integer, just by having
Is there no other complication making this a challenge? Otherwise, is already , and it isn't difficult to see how to proceed.
Are we only allowed to perform each operation once?
Express 100 using only 9s , addition, subtraction, multiplication, division, exponents, and parentheses. The 9s must appear alone, that is, no multi digit numbers are allowed.
ignore question in title.