Calculate 10% of 80. show work

Use the radius you found in part i (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. show your work and round your answer to the nearest tenth. the surface area of a sphere: sa = 4πr^2 self note: 3.8.4

What is the range for 31,39,29,34,37,24,36,33,34,28

Simplify each expression. use positive exponents. show work . (x –2 y –4 x 3 ) –2