Mathematics

Evaluate (frac{81.81+99.44}{20.09+36.16}) correct to 3 significant figures.

Evaluate (frac{81.81+99.44}{20.09+36.16}) correct to 3 significant figures.

  • A.
    6.24
  • B.
    3.22
  • C.
    2.78
  • D.
    2.13
Correct Answer: Option B
Explanation

(frac{81.81 + 99.44}{20.09 + 36.16}\
=frac{181.25}{56.25}\
=frac{18125}{5625}\
frac{29}{9}\
=3frac{2}{9}\
≅ 3.22)