a repeating decimal
A terminating decimal.
A decimal to two digits, perhaps.
Decimal.
Any real number can be represented as a decimal number.
Salt and water do not form a compound of any kind - neither decimal nor chemical.
The name for a decimal of this kind is "recurring".
They are the decimal numbers that can't be expressed as fractions.
repeating
Decimal math
It is a non non-terminating, non-recurring decimal. It is an irrational number.
A terminating decimal or a decimal that, after a finite number of digits, settles into a repeating pattern (known as a recurring decimal). This need not happen straight after the decimal point.
A decimal, or specifically a decimal fraction. The definition of a decimal fraction is "A decimal having no digits to the left of the decimal point except zero, such as 0.2 or 0.00354." Hope this helps!