Water covers approximately 70% of Earth’s surface. The diameter of Earth is about 13,000 km. Find the approximate area of Earth that is covered by water.

What is the formula for the surface area of a sphere?
What is the surface area of Earth?
What is 70% of Earth’s surface area?

To determine the number of deer in a forest a forest ranger tags 280 and releases them back

Do some research and find a city that has experienced population growth. determine its population on january 1st of a certain year. write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a period of exponential growth. describe the variables and numbers that you used in your equation.

If you can solve all of these i will give ! - 4% of 190 - 4% of 162.5 - 4% of 140 - a 4% increase from 155.1 - a 4% increase from 159.8