8.32s has three significant figures, and a period should also have three significant figures, which should be 0.832s. 1. In college physics experiment, how many significant numbers should be taken from the measured 10 cycles?

For example, the instrument measuring the period shows two decimal places, and the average value of 10 period is 8.32s, so the value of a period is 0.832s or 0.83s.. ..