Question

Evaluate:

$\frac{(6.4{)}^2-(5.4{)}^2}{(8.9{)}^2+(8.9\times 2.2)+(1.1{)}^2}$

• A. $0.118$
• B. $0.112$
• C. $0.110$
• D. $0.104$

Answer 1

Answer: (A)

$0.118$

Given exp =$\frac{(6.4+5.4)(6.4-5.4)}{(8.9+1.1{)}^2}=\frac{11.8\times 1}{100}=0.118$