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# What is numbers expressed in the decimal system?

Updated: 9/25/2023

Wiki User

9y ago

Any real number can be expressed in the decimal system. However, since it is not possible to write out non-repeating infinite decimals, Irrational Numbers can only be approximated.

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7y ago

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Q: What is numbers expressed in the decimal system?
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### What are numbers expressed in the decimal system?

All real numbers can be represented in the decimal system. Complex numbers can be represented by a pair of numbers in the decimal system.

### Why not all the decimal numbers can be written as rational numbers?

Decimal numbers that can be expressed as fractions are rational but decimal numbers that can't be expressed as factions are irrational

### What numbers can be expressed as a terminating or repeating decimal?

Rational numbers can be expressed as a terminating or repeating decimal.

### What kind of decimal numbers are irrational numbers?

They are the decimal numbers that can't be expressed as fractions.

### Can an irrational number be expressed as a terminating decimal?

No, irrational numbers can't be expressed as a terminating decimal.

### What kind of decimal numbers are irrational number?

Decimal numbers that can't be expressed as fractions are irrational numbers

### What does it mean by expressed as a decimal?

expressed as a decimal are the numbers right after the dot. in Spain they use comma instead.

### What numbers can be expressed as terminating or repeating decimal?

They are rational numbers

### Are nagative numbers always numbers decimal negative?

Any number, negative or positive, can be expressed as a decimal number. So a negative number can always be expressed as a negative decimal.

### Why does the numbers repeat themselves wtih each decimal hundreds and thousands?

Because decimal numbers that can't be expressed as fractions are irrational numbers whereas all rational numbers can be expressed as decimals or fractions.

### What can rational numbers be expressed as?

fractions or decimals

### What is a decimal ratio?

It is a ratio of two or more numbers, at least one of which is expressed in decimal form and none is expressed as a rational fraction.