To determine the type of number that results from the operation \(3.4059... - 85\), we need to analyze the numbers involved.
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Type of numbers:
- \(3.4059...\) is a decimal that repeats or terminates, which makes it a rational number.
- \(85\) is an integer, which is also a rational number.
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Subtracting rational numbers:
- The result of subtracting two rational numbers is always rational.
Therefore, when you subtract \(85\) from \(3.4059...\), the result will be a rational number.
Thus, the correct response is:
Rational, because both numbers are rational.