Perform the following mathematical operation, and
report the answer to the correct
number of significant figures.
3.47 x 6.7 = [?]

The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?

How will the emission of an alpha particle affect the atomic number of an atom

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount