One tenth is 210/10 = 21
Nine tenths is 9 x 21 = 189
210
210
210
213.5
14.5
0.0429
210%
210 cannot go into 9 even once since 210 is greater than 9. In numerical terms, 9 divided by 210 equals 0.042857, indicating that 210 fits into 9 a fraction of a time, specifically less than one.
210 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 =1,0241024
9 tenth as a percentage = 90%
Actually it is the 10th power of 2, or 210
The answer is 9.