evaluate using identity (a) (997)power 3 (b) 107×107
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Answer:a) 999973 b) 11449
Step-by-step explanation:
(997)^3
(1000-3)^3
1000000-27
999973
b)107 x107
(100+7) x (100+7)
10000+700+700+49
11449
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