They sent many ships on voyages to trade and show the welth of china.
1470
There are 7 days in one week. Therefore, 1470 days is equal to 1470/7 = 210 weeks.
13
1470
1470 g
LCM of 42 70 and 98 is 1470.
2012 - 1470 = 542
1470 / 2 is equal to 735.
No
Yes they did
1480