2.9 is already expressed as a decimal and as an improper fraction it is 29/10
Restate the question: If you can write a fraction as a decimal, can you write a decimal as a fraction?Yes.
155 is an integer not a fraction.
3
If you convert repeating decimals into a fraction, you see that the repeating decimals are rational.
decimals
you can change the fraction into a decimal or vice-versa
They are related because you can comvert decimals into fractions,and fractions into decimals.
Of course all the decimals have fractions except those with non-recurring and non-terminating decimals.
zero
Yes
29 hundredths is 0.29
There are are three types of decimals: terminating, repeating and non-terminating/non-repeating. The first two are rational, the third is not.