Multiplication because 4 times 9 = 36
99 + (9/9) = 100
99/9 + 9 = 20
99 divided by 0.99
There are no nines in fifty-four.
four nines - with eight left over !
99 + 9/9 = 100
101
There are four nines in a deck of cards.
99/9 + sqrt(9) = 11 + 3 = 14
its impossible for 4 nines to equal 20
9+9-9/.9=8 here u go
four