1393 x 1393 = ?
1393 x 1393 = ?
Answer/Solution
C)1940449
Steps/Work
1393 x 1393 = (1393)2
= (1400 - 7)2
= (1400)2 + (7)2 - (2 x 1400 x 7)
= 1960000 + 49 - 19600
= 1960049 - 19600
= 1940449.
Answer:C
= (1400 - 7)2
= (1400)2 + (7)2 - (2 x 1400 x 7)
= 1960000 + 49 - 19600
= 1960049 - 19600
= 1940449.
Answer:C