They are powers of ten, with the powers decreasing from left to right. The digit immediately to the left of the decimal point, or its implied position if there isn't one, has a positional value of 10^1 = 1.
It is 5 and its positional place value is 5000
No Greek Acrophonic numbers do not have place value as they are not a positional system.
The operations are the same as in decimal (+ - / x) the positional notation is somewhat different.
Because they depend on the place value of numbers. For example, 101 = 1*b2 + 0*b + 1 where b is the base (2 or 10). There are only b different symbols or digits. Numbers that are greater than or equal to the base are displayed using the positional notation.
The zero symbol and positional place value system of numbers.
For positional place value purposes as for example to distinguish the difference between 207 and 27
The positional place value of 15 in 15/100 is 0.15
Almost all numbers that we use in daily life are decimal numbers. The place value of each digit is ten times the place value of the digit to its right. And that is all that is required of decimal numbers. A decimal point is not necessary.
In numbers the purpose of 0 is a positional place value holder that as for example we see the difference of 207 and 27
A decimal is a way of representing a number. There is no number after a number.A decimal is NOT a decimal point.
Its positional place value is 6/100 = six hundredths
Arabic numerals need a nought figure to identify positional place value of numbers whereas Roman numerals does not need a nought figure because the positional place value of these numerals are self evident.