Choose the right answer:
21,007≈ ?
To solve the problem, we'll follow a structured approach to rounding 21,007:
- Step 1: Identify the digit to focus on for rounding to the nearest ten.
- Step 2: The number 21,007 has its ones digit as 7, which is part of our analysis for nearest ten rounding.
- Step 3: Apply the rounding rules. Since the units place digit is 7, which is greater than or equal to 5, we round up.
- Step 4: Change the units digit (7) to zero and add 1 to the tens digit.
- Step 5: The updated number becomes 21,010 after rounding.
Therefore, rounding the number 21,007 to the nearest ten gives us 21,010.