12.9 subtracted by 6.43 = 6.470000000000001
127
127
189 rounded up to the nearest 100 number would be 200; 200 subtracted from 643 = 443 , 200 - 189 454
At each step the number being subtracted is reduced by 9 298 - 89 = 209 209 - 80 = 129 129 - 71 = 58 58 - 62 = -4 -4 - 53 = -57..........which is the next number.
-57. first you subtracted 89, then you subtracted 80 (9 less than 89), then u subtracted 71 (9 less than 80), then you subtracted 62 (9 less than 71), so next you subtract 53 which is 9 less than 62. and -4-53=-57
-57 298 - 89 = 209 209 - 80 = 129 129 - 71 = 58 58 - 62 = -4 -4 - 53 = -57 notice every number is subtracted by 9 less than the previous number's subtrator
643 is a prime number. So its factors are 1 and 643.
75 of 643 is 48,225. 75% of 643 is 482.25
1 and 643
six hundred and forty-three 6,430 / 10 = 643
√643 = 25.3574447
643