what is 999999999999999999 times 9999?
2 answers
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999999999999999999 =
10^18 - 1
9999 = 10^4 - 1
999999999999999999 * 9999 =
(10^18 - 1)* (10^4 - 1) =
10^22 - 10^18 - 10^4 + 1
10^18 - 1
9999 = 10^4 - 1
999999999999999999 * 9999 =
(10^18 - 1)* (10^4 - 1) =
10^22 - 10^18 - 10^4 + 1