102.0 (typical frequency for FM radio broadcasting)
Express your answer using four significant figures.
1.020E2
To express 102.0 with four significant figures, you need to determine which digits are significant and which are not.
In this case, all digits in 102.0 are considered significant since they are necessary for the measurement of the frequency.
To express the number with four significant figures, you would write it as 102.0.