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

(a) 45.3254 × 89.00205 = 4034.05

(b) 0.00740 × 45.0901 = 0.334

(c) 49857 ÷ 904875 = 0.05510

(d) 0.009090 × 6007.2 = 54.605

Solution 60P

Step 1:

(a) 45.3254 × 89.00205 = 4034.05351707 (actual answer by calculator)

Answer after rounding off 4034.05

Thus the above answer given in question is correct.

Step 2:

(b) 0.00740 × 45.0901 =0.333666 (actual answer by calculator)

Answer after rounding off 0.334

Thus the above answer given in question is correct.