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Recently in the United States, there were about 300,000,000 cell phone users. That same year there were about 5.7x10^9 cell phone users worldwide. About how many times larger was the number of cell phone users world wide than in the United States?

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2 Answers

3 votes

(users worldwide)/(US users)

(5700000000)/(300000000)

19
User Jonni
by
8.8k points
5 votes
US: 3 x 10^8
5.7 x 10^9 / 3 x 10^8 = 19
User Jimba Tamang
by
7.8k points

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