It is 4730.
1.239 rounded to 3 significant digits is 1.24
4700
2.56
323.565 rounded to three significant digits is 323.56
2711 rounded to 2 significant digits is 2700
4, 3, 7
1.239 rounded to 3 significant digits is 1.24
686.88 rounded to 3 significant digits is 687
4700
47323 = 4732 x 4732 x 4732 = 105958111168
5.60
2.56
4730
0.42857
100 (rounded up to the nearest 200).
It is: thirty = 30
It is 1570000 rounded to 3 significant figures