Round 45,688 ,909 to the nearest million. A 45,700,000 B 46,700,909 C 45,689,909 D 46,000,000

The correct answer is **D. 46,000,000**<br /><br />Here's why:<br /><br />1. **Identify the millions place:** In the number 45,688,909, the digit '5' is in the millions place.<br /><br />2. **Look at the next digit:** The digit immediately to the right of the millions place is '6'.<br /><br />3. **Rounding rule:** If the next digit is 5 or greater, round up. If it's less than 5, round down.<br /><br />4. **Apply the rule:** Since '6' is greater than 5, we round up the '5' in the millions place to '6' and replace all digits to the right with zeros. This gives us 46,000,000.<br />