It is: 14
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Whole numbers have no decimal numbers after them, so your two choices are 4 or 5. When rounding, decimals below 5 round down and those above 5 round up, so your answer should be 4.
47*3 = 141 therefore not a prime number
141 is a composite because 1, 3, and 47 goes in it
140000
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. --------------------------------------------- If that is an approximation (rounded to 2 decimal places) of √2 = 1.41[421356...] then it irrational.