How many kilometers are in 3.55 miles? (1 mile = 1.609 km)

Complete the following calculation. Answer to the correct number of significant digits. 17.6 + 110.77 = 

A small car has a fuel efficiency of 28.1 miles per gallon (mi/gal). What is this fuel efficiency in kilometers per liter (km/L)? ( 1 mi = 1.609 km, 1 gal = 3.785 L). Show the calculation.

What is the atomic number of a gallium atom?

For a lead atom with 124 neutron, what is the mass number?

Please determine the number of significant digits for the following number: 0.0073205

Match the following parts of the body to their proper anatomical name.  

image alt text MATCH THE LABELED ITEMS OF THE BRAIN WITH THE DESCRIPTIONS PROVIDED:

Match the following joints to their description below.  

This is an essay question. Please type your answer to the question below: What is the epiphyseal plate, what is its function and where is usually located on a long bone?