To write 6.21 using words, you would say "six point two one." This represents the numerical value of the decimal number 6.21, with "point" indicating the decimal point and each digit spoken individually.
It depends on what you are rounding to. 621 to the nearest 10 would be 620 while 621 to the nearest 100 would be 600.
6.21 = 621/100
15.525 = 621/40
368 = 2 x 2 x 2 x 2 x 23 621 = 3 x 3 x 3 x 23
17,003,621
62.5 = 625/10 = 621/2
17,003,621
How to write 43million,297thousand,621
In order for a number to be divisible by 6, it must be divisible by both 3 and 2. 621 is divisible by 3, but not by 2. In other words, 6 will not go into 621 evenly. The answer will be a decimal.
2 percent of 621 = 12.422% of 621= 2% * 621= 0.02 * 621= 12.42
seiscientos veintiun(o) (Omit the 'o' if it's followed by a noun)
621,428,512,953