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sqdancefan

√38 is irrational.

38 is an integer that is not the square of an integer, so its square root is not a rational number.

TheBlueFox

Answer: 157.34123598...

Step-by-step explanation: To determine if the decimal 157.34123598... is rational or irrational, notice that the decimal is non-terminating. However, this decimal is also non-repeating because there is no digit of group of digits that repeat.

When we have a decimal that is both non-terminating and non-repeating, it must be an irrational number.

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