Question

Park Crest Middle School has a population of about 400 8th graders. Parkcrest is one of several middle schools in the state which has a total of 806, 240 8th graders. Use powers of 10 to estimate about how many times greater the States population of eighth-graders is compared to the number of 8th graders at Park Crest Middle School.

Answer 1

806, 240-400= 805, 840
Answer= 8.05840 x 10^5

Answer 2

`8.05 * 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