7% of 3500 7/100 x 3500 7 x 35 245
35
500 x 7 = 3500
(200/3500) x 100 = (2/35) x 100 = (2/7) x 20 = 40/7 = (5 and 5/7)% = 5.7142% in decimal
The factors of 3500 are 1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, and 3500. The prime factors of 3500 are 2 x 2 x 5 x 5 x 5 x 7.
7 times 500 equals 3,500
2 x 2 x 5 x 5 x 5 x 7
500 does.
3500
18 x 3500 = 63000
3500-- so 2 zeros
7 x 500 = 3,500