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26 August, 09:11

Samuel moved from a city to a small town. The population of the city is 7.2 * 105, which is about 18 times as great as the small town. Which expression could represent the approximate population of the small town?

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  1. 26 August, 09:38
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    Given:

    The population of the city is 7.2 * 10^5

    7.2 x 10 ⁵ in standard from is 720,000

    720,000 is 18 times greater than the population in town.

    720,000 / 18 = 40,000

    The population in the small town is 40,000.

    It can be presented in scientific notation as 4 x 10 ⁴.
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