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Last year,there were 221,450,000 tons of trash collected in the United States . What is the estimate for the number of tons of trash collected in the United States last year

Last yearthere were 221450000 tons of trash collected in the United States What is the estimate for the number of tons of trash collected in the United States l class=

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wegnerkolmp2741o

221,450,000.   move the decimal until there is only one number to the left

it moves 8 places

2.2145 * 10^8

2*10^8

Choice C

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