A decimal number is defined as a number with a decimal point separating the full number and fractional parts.
Answer: 1/3 is expressed as 0.3333 in its decimal form.
Using the following explanation, let us better understand this.
If you divide 1 by 3, you get 1/3 in decimal form.
1 ÷ 3 = 0.3333
Because the digit 3 following the decimal point repeats, the quotient is non-terminating.
A non-terminating, repeating decimal number is what it’s termed.