What is the answer of 2/3+12a

Write each expression in exponential form and find its value.| ! 2 x 2 x 2 x 2

If i purchase a product for $79.99 and two accessories for 9.99 and 7.00 how much will i owe after taxes applies 8.75%

Find the volume of the solid bounded by the plane z=0 and the paraboloid z=1-x^2 –y^2