0.1043
163
9.5882
61.125
You would round 313 to 300 and 489 to 500 and multiply 300 by 500. You should get 150,000. The real answer should be near 150,000.
11.1136
0.0429
489 divided by 3 equals 163.
486
0.1043
0.0102
38142
244.5
489 divided by 51 is 9.59 or 9 with remainder 30.
163
9.5882
668 + 489 = 1157.