Park Crest Middle School has a population of about 400 Eighth Graders. Park Crest is one of several middle schools in a state which has a total of 406,240 Eighth Graders.

Use powers of ten to estimate how many times greater the state’s population of Eighth Graders is compared to the number of Eighth Graders at Park Crest Middle School.

Show your work.
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What numbers are included in the set of integers? what numbers are not included?

The table below represents the displacement of a fish from its reef as a function of time: time (hours) x displacement from reef (feet) y 0 4 1 64 2 124 3 184 4 244 part a: what is the y-intercept of the function, and what does this tell you about the fish? (4 points) part b: calculate the average rate of change of the function represented by the table between x = 1 to x = 3 hours, and tell what the average rate represents. (4 points) part c: what would be the domain of the function if the fish continued to swim at this rate until it traveled 724 feet from the reef? (2 points)

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?