It already is a decimal!
6.2992
.721 is bigger than .712. When comparing decimal numbers, you look at the digits from left to right, and since the first two digits (7 and 2) are the same, you compare the next digit, which is 1 in .712 and 2 in .721. Since 2 is greater than 1, .721 is the larger number.
7.12
712 = 7.12*102
As 712 is ending by an even digit then it can be divided by 2 thus 712 is not prime
712.0
6.2992
35 712/1000 = 35.712
To write 712 thousandths in decimal format, you would place the decimal point three places to the left of the rightmost digit, which is 2. This gives you 0.712. This is because each place value to the right of the decimal point represents a power of 10 that is one-tenth the value of the place to its immediate left.
7 1/2 = 7.5
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. A decimal representation does not require a decimal point. So the required decimal representation is 712.
1226
.721 is bigger than .712. When comparing decimal numbers, you look at the digits from left to right, and since the first two digits (7 and 2) are the same, you compare the next digit, which is 1 in .712 and 2 in .721. Since 2 is greater than 1, .721 is the larger number.
The greatest factor of 712 is 712.
712
It is 712 cents. If you wanted the number to be represented in other units - Euros, for example, you need to specify that.
7.12