1.41 as a terminating decimal is a rational number as it can be expressed as one whole number over another: 1.41 = 141/100
All terminating decimals, or decimals that end in repeating digit(s) are rational numbers.
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If that is an approximation (rounded to 2 decimal places) of √2 = 1.41[421356...] then it irrational.
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Yes. Any number that has a finite number of decimal digits (and many that don't) are rational.
Any number which has a finite number of digits is rational.
yes
47*3 = 141 therefore not a prime number
141 is a composite because 1, 3, and 47 goes in it
Yes.