To determine the type of number that results from the operation \( 3.4059... - \frac{8}{5} \), let's analyze the numbers involved:
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3.4059...: This number is a decimal that goes on forever, which suggests it might be a repeating or non-repeating decimal. However, since it has a finite number of non-repeating digits (3.4059) before the decimal suggests that it is a rational number (it can be expressed as a fraction).
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\(\frac{8}{5}\): This is a fraction, which is clearly a rational number since it can be expressed as a ratio of two integers.
Now, when you subtract one rational number from another rational number:
- The result of subtracting two rational numbers is always rational.
Thus, \( 3.4059... - \frac{8}{5} \) will also be a rational number.
The correct response is:
Rational, because both numbers are rational.