9 x 111 = 999
To simplify the sum, think of it as making 99.
9 x 11 = 99
Then multiply the answer (99) and 11 by ten. That is your answer
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999 over 999= 100%
999 + 9/9 = 1000
1000 = 999 + (999 / 999)Due to the rules of BODMAS, the brackets aren't technically necessary.
8,999,999,999,999,999,999,999,999,999,999,999,999,999,999,991 (8 quattuordecillion, 999 tredecillion, 999 duodecillion, 999 undecillion, 999 decillion, 999 nonillion, 999 octillion, 999 septillion, 999 sextillion, 999 quintillion, 999 quadrillion, 999 trillion, 999 billion, 999 million, 999 thousand and 991)
999+99+9+9+9