The volume of one of the great lakes is 3.5 × 103 cubic kilometers. if there are 6.3 × 107 fish in the lake, what is the average number of fish per cubic kilometer?

Which of the following are independent events? a) knowing that it is going to rain tomorrow, and bringing an umbrella to schoolb) knowing that you have to get up early tomorrow, and going to bed before 9 p.mc) knowing that it is going to rain tomorrow, and going to bed before 9 p.md) knowing that you have a test in school tomorrow, and studying thw night before