Question

plzz answer it first c number
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Answer 1

Answer:

328509

Step-by-step explanation:

(69)^3=(70-1)^3=(70)^3  -(1)^3 -3(70)^2 (1) +3(70) (1)^2,

=343000-1-14700+210=328509

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Answer 2

Answer:

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