To round the number 7,803,100 to the nearest place value, we first determine which place value we want to round to.
If we round to the nearest million, we look at the first digit after the million place, which is 8 (in the millions: 7,803,100). Since 8 is 5 or greater, we round up to 8 million.
So, 7,803,100 rounded to the nearest million is 8,000,000.
Next, we express 8,000,000 in the form of a single digit times an integer power of 10:
8,000,000 can be written as
So the final answer is