Which of the following time measuring devices is most precise

Which of the following time measuring device is most precise? Give reasons for your answers.

Which of the following length measurement is (i) most precise and (ii) least precise? (a) I= 5cm (b) I =5.00cm (c ) I= 5.000 cm (d) I = 5.0000cm.

Which of the following length measurements is most precise and why? (a) 2.0 cm , (b) 2.00 cm , ( c ) 2.000 cm

Which of the following length measurements is most precise and why? (a) 2.0 cm , (b) 2.00 cm , ( c ) 2.000 cm

Which of the following length measurements is most precise?

which of the following measurements is most precise ?

Which of the following measurements is most precise?