The approximate total surface area of earth is 5.1 × 108 km2 . all the salt water on earth has an approximate surface area of 352,000,000 km2 , and all the freshwater on earth has an approximate surface area of 9 × 106 km2 . how much of earth’s surface is covered by water, including both salt and fresh water? write your answer in scientific notation.

Pleasse me i need an answer. give me the correct answer. answer if you know it ! the club will base its decision about whether to increase the budget for the indoor rock climbing facility on the analysis of its usage. the decision to increase the budget will depend on whether members are using the indoor facility at least two times a week. use the best measure of center for both data sets to determine whether the club should increase the budget. assume there are four weeks in a month. if you think the data is inconclusive, explain why.