Question

using the identity evaluate 10.3²​

Answer 1

evaluation of 10.3² is 106.09

Answer 2

Answer:

10.3²= (10+0.3)²

using identity [ (a+b)² = a²+ b² + 2ab]

(10)² + (0.3)² + 2(10)(0.3)

100+ 0.09 + 6

= 106.09

hope it helps..