Which one of the following is not rational number option A log 9 base 10 option b 5.32 bar option C 143. 12 option d 10 by 18
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Option a -- log 9 base 10 not a rational number
- Rational numbers are obtained by the ratio of 2 integers and the ratio has a definite value. Example → 3/2 = 1.5 is a rational number. Rational numbers can be both integers and decimals.
- Irrational numbers are obtained when the ratio of 2 integers does not provide us a definite value. Example → π, e. Irrational numbers are always decimals.
The value of log 9 base 10 simplified to 3 decimal points is 0.954 but its extended form is 0.9542425094393249 (up to 16 decimal places). This also doesn't provide us with the entire value. Hence, log 9 base 10 is an Irrational number.
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