.Find cube of 99 using the expansion formal *
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Step-by-step explanation: (99)3 = (100 − 1)3. = (100)3 − (1)3 − 3(100) (1) (100 − 1) = 1000000 − 1 − 300(99) ...
= 970299. (102)3 = (100 + 2)3. = (100)3 + (2)3 + 3(100) (2) (100 + 2) = 1000000 + 8 + 600 (102) ...
= 1061208. (998)3= (1000 − 2)3. = (1000)3 − (2)3 − 3(1000) (2) (1000 − 2) ...
= 994011992. pls mark as brailiest.
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