Math

3. The population of Columbus, Ohio, in 2014 was about 823,000. The population of the United States was about 319 million in 2014.
(a) Write each population in scientific notation.
(b) About how many times larger was the population of the United States than the population of Columbus, Ohio? Show your work.

(a) 8.23x10^5
3.19x10^6
(b) I have no clue how to get the answer.

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  1. really?

    How many times larger is 20 than 4?
    How did you get that answer?

    Do the same thing for your numbers. Remember that you divide the values and subtract the powers.

    What do you get?

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  2. 2.6x10^3

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  3. Thanks~!

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  4. did you get it right?
    319 million is 3.19x10^8 not 10^6

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