Question

Which of the following is the most precise measurement?
15 cm
O 2.6 cm
O 2 cm
O 2.345 cm

Answer 1

Answer:

2.345 cm

Step-by-step explanation:

The value has 4 significant digits.  The others have either 1 or 2 sig figs.  This infers that the measurement was made with a higher degree of precision that the others.