Final answer:
To round 63,416,831 to the nearest ten thousands, we look at the digit in the ten thousands place, which is 6. Since the digit to the right of 6 is 3, which is less than 5, we round down and leave the digit in the ten thousands place unchanged. The rounded number is 60,000,000.
Step-by-step explanation:
To round 63,416,831 to the nearest ten thousands, we need to look at the digit in the ten thousands place, which is 6. Since the digit to the right of 6 is 3, which is less than 5, we round down and leave the digit in the ten thousands place unchanged. Therefore, the rounded number is 60,000,000.