Most people use them all the time - with out realising. A decimal number is simply a way of representing a number in such a way that the place value of a one is ten times that of a one in the place to its right. If it does not contain a fractional part then the decimal representation does not require a decimal point. So you are using decimal number whenever you count - including in whole numbers beyond 9.
Chat with our AI personalities
mea
none
prices such as..... $8.98
All decimals are real numbers and all real numbers can be expressed as decimals.
Any time we compare decimals, except in out dreams/nightmares! We cannot leave the real world purely for the purpose of comparing decimals and return to the real word when we have done that!