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You need to write both decimal places, even though the second number is a zero, to show that you rounded to two decimal places. Remember to look at the number after the one you're interested in.
There's a new record holder for the most accurate clock in the world. Researchers at the National Institute of Standards and ...
On the surface, it’s petty, but this masks a more serious point; that the de facto single decimal-place system for measuring 0-62mph times is now out of date.
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