one fifth = 1/5 = .2, so 4.5 x .2 = .9 or nine tenths. windows computers have calculators that will tell you. go to start menu, programs, accessories, calculator
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It is four multiplied by itself five times. 4x4x4x4x4 = 1024
2.25
5.6445*10^2, wich reads five point six four four five times ten to the second
There are different possible ways: - Eight four point four five five - Eighty-four point four five five - Eighty-four and four hundred fifty-five thousandths.
no four fifths is one fifth less than five fifths