Underline the non-significant zeros in each of the following measurements. If all zeros are significant, write none.

A. 108 600 L

B. 4.08×10⁴ kg 

C. 20.00 g

D. 351.06 K

E. 0.000 040 m

Determine if the following statement has an exact or inexact number: The nurse injected 1 ampoule of a certain solution.

Select the exact numbers from the following:

(a) the mass of a black ballpen

(b) the average height of buildings around the park

(c) the number of liters in a cubic feet of water

(d) the number of employee in an office

(e) the mass of a soda can

Express each number in three significant figures

a. 0.00038475

b. 2.9983345

c. 1.78239x10⁵

d. 89,289.35

The number with the most significant figures is _____.