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 . (1 point)

To round 7,803,100 to the nearest place value, we look at the digit in the hundred thousands place, which is 0. Since 0 is less than 5, we round down.

So, rounding 7,803,100 to the nearest place value gives us 7,800,000.

To express this number in the form of a single digit times an integer power of 10, we can rewrite it as 7.8 × 10^6.