Question

Park Crest Middle School has a population of about 400 8th graders. Park Crest is one of several middle schools in a state which has a total of 806,240 8th graders. Use powers of ten to estimate how many times greater the state's population of 8th graders is compared to the number of 8th graders at Park Crest Middle School.

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Answer 1

8.05 x 10^5

Explanation:

Thinking process: the population of Park Crest Middle School = 400 children

The population in the state = 806, 240 children

The difference: 806240 - 400 = 805840

Expressing the difference in standard form gives: 8.05 × 10⁵