Use reciprocal and square root tables to evaluate √0.007056 + 3/23.4 to 4 decimal places (3 marks) 23.4

Question

Use reciprocal and square root tables to evaluate √0.007056 +    3    to 4 decimal places  (3 marks)
                                                                                                     23.4

Answer 1

√70.56×10⁻⁴
8.4× 10⁻² + 3×0.04274
0.084 + 0.128
=0.2122