[填空题]
A particular guitar string is scxuq1tgl1 fiu)1)y 2h upposed to vibrate at 200 Hz, but it is meaa2fw h 9tjh 7-8elxp/osured to vibrate at 205 Hz. By what percent should the tension in the string be changed to coe jo p97/x f-h2ta8hlwrrect the frequency?So the three frequencies are, Hz Hz Hz to 2 significant figures.