Question

Evaluate using suitable identity: (9.7)– (0.3)​

Answer 1

Using the identity

• a²-b²= (a+b)(a-b)

then,

• (9.7+0.3)(9.7-0.3)
• 10×9.4
• 94

Answer 2

Answer: (9.7)^2-(0.3)^2

using identity

a^2-b^2=(a+b)(a-b)

(9.7)^2-(0.3)^3=94

Step-by-step explanation: