Yes
1240 + 620 = 1860
0.0371
6/20 = 3/10
1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240.
1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240.
No. These are the numbers that go into 1,240: 1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240.
1,240 divides evenly by: 1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240.
310, 620, 930, 1240, 1550, 1860, 2170, 2480, 2790, 3100, 3410, . . .
Writing a number in standard form simply means to express the number in its 'normal' form. Therefore, the way you wrote the number is the standard form for 620.
620
The total number of multiples is infinite. Here are the first 10: 155, 310, 465, 620, 775, 930, 1085, 1240, 1395, 1550 . . .
620/30 or 62/36 1/5 = 31/52 6/7 = 20/631/5 * 20/6 = 620/30 or 62/3