7,803,100 can be rounded to 7,800,000.
7,800,000 can be expressed as 7.8 × 10^6.
A total of 7, 803, 100 tourists visited Country A from the year 2018 to the year 2020. Round to the nearest place value, then express this number in the form of a single digit times an integer power of 10.
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1 answer