3 ms·
On a side note: In the photo given of 10^100 - 999...(99 9s) = 1, there should be 100 9s, not 99 9s, for the result to be 1.
by paulvs 10y ago
On a side note:
In the photo given of 10^100 - 999...(99 9s) = 1, there should be 100 9s, not 99 9s, for the result to be 1.