0
The decimal number system is positional in nature. To know what a given digit means, you have to know where it is with respect to the decimal point. The number zero can be used to indicate that a given position is vacant. This is necessary in order to know what the other digits are positioned. For example, the number 10. That means ten. If we wrote it as 1 . the number would still be in that position, but it would be hard to see the position. Putting in a zero makes it clear.
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What is used as a place value holder and holds the place value of ones?
The 'zero' symbol is used as a place value holder,and it can hold any place.
What is used as a place holder and holds the place value of ones?
zero
What Indian contributions had a great impact on the study of mathematics and science?
The introduction of zero as a place holder.The introduction of zero as a place holder.The introduction of zero as a place holder.The introduction of zero as a place holder.
What is the purpose of a zero in a number?
it's a place holder
Is the value of 7.9 changed when you annex a zero after 7.9?
no it is not change because if you actually do it 7.90=7.9 you would still get the same thing
