Yes, 1.33333 is a rational number. A rational number is any number that can be expressed as the quotient or fraction p/q of two integers, where p is the numerator and q is the non-zero denominator. In the case of 1.33333, it can be expressed as the fraction 4/3.
Here’s the explanation:
- 1.33333 is a repeating decimal, which means it has a pattern that repeats indefinitely. In this case, the digit ‘3’ repeats.
- To convert a repeating decimal to a fraction, you can use algebraic methods. For 1.33333, let
x = 1.33333. Then, multiply both sides by 10 to get10x = 13.33333. - Subtract the original equation from this new equation:
10x - x = 13.33333 - 1.33333, which simplifies to9x = 12. - Solving for
x, you getx = 12/9, which simplifies to4/3. - Since
4/3is a fraction of two integers, 1.33333 is a rational number.