As an improper fraction in its simplest form 6.42 is 321/50
642/100
They are: 321/1 and 642/2
0.642 = 642/1000 = 321/500
642/10 = 64 with a remainder of 2, written as 64 and 2/10
25.68 = 25 and 68/100 = 25 and 17/25 = 642/25
0.642 is a fraction. It is a fraction in decimal form rather than in the form of a ratio. However, that does not stop it being a fraction. Its rational equivalent is 642/1000 which can be simplified, if required.
Jim Forsyth has written: 'St Maelrubha, 642-722 AD'
The answer is 4494. Simply add the numbers together like you would for two plus two. To check your work, a calculator is the best option.
The Roman numeral for 642 is 'tree'.
642 multiplied by 9 is 5,778.
1/3 of 642 is 214.
642 is closer to 600