Question

Evaluate using suitable identity: (0.97)2

Answer 1

Answer:

Hope this helps

Step-by-step explanation:

(0.98)^2  

 =(1−0.02) ^2

 =1 ^2 +(0.02)^2 −(2×1×0.02)                       (∵(a−b)^2  =a^2 +b^2  −2ab)

=1+0.0004−0.04

=1.0004−0.04

=0.9604

Hence, (0.98)^2 =0.9604