29
3.222... is 29/9
I rounded to the nearest hundredth. 9 divided by 29=0.31
9.725
It is: 9/29 times 100/1 = 47.368% rounded to three decimal places
8.525
2/9 = 2 divided by 9 = 0.2222 repeating
It is: 29/100 = 0.29
9 29/40 : resolve the fraction by dividing 29 by 40 = 0.725, then add to whole number, so 9 + 0.725 = 9.725
If you mean a square with 29 feet and 9 inches sides then by using Pythagoras' theorem its diagonal is 42.073 feet rounded to 3 decimal places
If you mean 29/50, then the answer is 0.58
It is 29, exactly as in the question. A decimal number is simply a way of representing a number in such a way that the place value of each digit is ten times that of the digit to its right.