4.87 = four and eighty-seven hundredths.
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The Roman Numeral for 487 is CDLXXXVII.
Write the fraction and then divide the numerator (top number) by the denominator (bottom number): four hundred and eighty seven thousandths = 487/1000 = 0.487
9.74 = 974/100 = 487/50
Oh, isn't that a lovely fraction we have here. Let's simplify it down to its purest form. 487 over 1000 becomes 487/1000, and we can further simplify it by dividing the numerator and denominator by 487 to get 1/2. Just like that, we've turned a complex fraction into a beautiful, simple expression.
4.9x10^2 or 4.87x10^2 Depending if you want to round or not.