Correct any answers that have the incorrect number of significant figures.

(a) 78.9 + 890.43 − 23 = 9.5 × 102

(b) 9354 − 3489.56 + 34.3 = 5898.74

(c) 0.00407 + 0.0943 = 0.0984

(d) 0.00896 − 0.007 = 0.00196

Problem 64P

Correct any answers that have the incorrect number of significant figures.

(a) 78.9 + 890.43 − 23 = 9.5 × 102

(b) 9354 − 3489.56 + 34.3 = 5898.74

(c) 0.00407 + 0.0943 = 0.0984

(d) 0.00896 − 0.007 = 0.00196

Solution: Here, we are going to correct the answers given that have insignificant numbers of significant figures.

Step1:

When addition or subtraction is carried out in the numbers having different precisions, the final result should be reported up to the same number of decimal places as are present in the term having the least number of decimal places.

Again, in multiplication or division, the final result should be reported up to the same number of significant numbers as are present in the term with the least number of...