Rounding up one decimal?

I have a number that looks something like this:
0.552
I would like to round it up to a one decimal number like this:
0.6
How can I do this?
Thanks a lot!

num=0.552;
Math.round(num*10)/10;

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  • Quantity field to one decimal place. PLEASE URGENT

    I have a quantity field with three decimal places. I have to print this field with only one decimal place. This is in a smartform.
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  • Rounding to 1 decimal place.

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  • Rounding to 2 decimal places

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  • Rounding to a decimal place

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  • Round to two decimal places...and keeping trailing 0

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