The number 712 is already in decimal form. In mathematical terms, a ‘decimal’ is any number that has a whole part and a fractional part, separated by a decimal point. For example, the number 712 can be expressed as 712.0 in decimal form, where the ‘.0’ indicates there are no fractional parts.
In this case, 712 is a whole number and does not have any digits after the decimal point other than zero. Therefore, it is simply 712 in decimal notation.