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In the year 2020, there were 14.02 billion cell phones in use worldwide. In 2022, the number increased to 15.96 billion worldwide. What is the average rate of change in the number of worldwide cell phones?
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In the year 2020, there were 14.02 billion cell phones in use worldwide. In 2022, the number increased to 15.96 billion worldwide. What is the average rate of change in the number of worldwide cell phones?

User Kenan Balija
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The average rate of change in the number of worldwide cell phones is 1.94 billion
User Invinciblemuffi
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