Question

Use square and square root tables to evaluate: 
3.474² + √1287

Answer 1

(3.474)² = 12.041 + 28= 12.069
√1287=√(12.87 X 102)
=(3.5777+99) X 10
=3.5876 X 10
=35.876
=12.069 + 35.876
= 47.945