Asked by phill

A certain FM radio station broadcasts jazz music at a frequency of 90.7 MHz. (Radio waves are electromagnetic)?
Find the waves period?

I got 1.1*10^-8 and it is not right.
Answered by drwls
1.103*10^-8 seconds IS correct to four significant figures. I would use four instead of three significant figures since the number is so close to 1.

You may have been marked wrong for not showing three for four figures, or for not including the units of your answer (seconds).
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