• The decimal system and decimals are based on tenths or the number 10.

• The digits to the right of the decimal point are called *decimal fractions*.

• A decimal can be expressed in the form of a fraction, and a fraction can be expressed in the form of a decimal.

• Decimals that do not have a digit to the left of the decimal point are written 0.95 or .95. Inserting the zero before the decimal point prevents the viewer from mistaking .95 for 95.

• The digits to the right of the decimal point correspond to tenths, hundredths, thousandths, ten thousandths, ...

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