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Concept of Decimal Numbers

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definition

Decimal numbers: Decimal numbers are fractions or mixed numbers with denominators of powers of ten. The dot represents a decimal point. For example, 2.53, 6.5, etc.

notes

Decimals Number:

  • Decimals are used in many ways in our lives.

  • For example, in representing units of money, length, and weight.

  • The dot represents a decimal point. For example, 2.53, 6.5, etc.

  • Decimal numbers are fractions or mixed numbers with denominators of powers of ten.

  • In a decimal number, the digits to the left of the decimal point represent a whole number. The digits to the right of the decimal represent the parts. The place value of the digits becomes 10 times smaller.
  • The first digit on the right of the decimal point means tenths i.e. `1/10`ths.

Example

Write the following as decimals: Two ones and five-tenths

Two ones and five-tenths = 2 + `5/10` = 2.5.

Example

Write the following as decimals: Thirty and one-tenth

Thirty and one-tenth = 30 + `1/10` = 30.1

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Introduction To Decimals Part-1 [00:16:49]
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