Q. Is the following number rational or irrational?0.5555Choose 1 answer:(A) Rational(B) Irrational
Evaluate decimal 0.5555: Evaluate the decimal 0.5555 to determine if it can be expressed as a fraction of two integers, which is the definition of a rational number.0.5555 is a repeating decimal, where the digit 5 repeats indefinitely.This repeating decimal can be expressed as a fraction, where the numerator is the repeating digit(s) and the denominator is the same number of 9s as there are repeating digits.In this case, 0.5555 can be written as 99995555.
Expressing repeating decimal as a fraction: Simplify the fraction 99995555 if possible to check for any common factors.Both the numerator and the denominator are divisible by 5.Dividing both by 5 gives us 19991111.This is the simplified form of the fraction, indicating that 0.5555 can indeed be expressed as a fraction of two integers.
Simplifying the fraction: Conclude whether 0.5555 is rational or irrational based on the previous steps.Since 0.5555 can be expressed as the fraction 19991111, it meets the definition of a rational number.Therefore, 0.5555 is a rational number.
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