Standard Form and Prefixes
The wavelength of a green laser pointer is given as 532 nm. Which of the following shows the quantity expressed in standard form and in metres?
5.32 x 10[sup]-11[/sup] m
532 x 10[sup]-9[/sup] m
5.32 x 10[sup]-7[/sup] m
5.32 x 10[sup]-9[/sup] m
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Information: Standard Form and Prefixes