Rounding 868.5 to the Nearest Tenth
The number 868.5 rounded to the nearest tenth is 868.5.
Step-by-Step Guide
Let's break down the process of rounding 868.5 to the nearest tenth:
Step 1: Identify the tenths and hundredths digits
In 868.5, the tenths digit is 5 and the hundredths digit is 0.
Step 2: Look at the hundredths digit
If the hundredths digit is 5 or greater, round up. If it's less than 5, round down.
Step 3: Round accordingly
The hundredths digit is 0, so we round down.
Similar Calculations
Here are some similar numbers rounded to the nearest tenth:
| Original Number |
Rounded to Tenth |
| 868.5 |
869 |
| 868.586 |
869 |
| 868.418 |
868 |
| 868.434 |
868 |
| 868.476 |
868 |
Understanding Rounding to the Nearest Tenth
Rounding to the nearest tenth is a common mathematical operation used in various fields. It helps simplify numbers while maintaining a useful level of precision.
Key Points:
- When rounding to the nearest tenth, we look at the digit in the next place value to the right.
- If this digit is 5 or more, we round up. If it's less than 5, we round down.
- All digits to the right of the tenth place are replaced with zeros after rounding.
Practical Applications:
- Finance: Rounding currency values to the nearest cent (hundredth).
- Science: Adjusting measurements to the appropriate level of precision.
- Engineering: Ensuring calculations are practical for manufacturing or construction.
- Everyday math: Simplifying numbers for easier mental calculations.
