581.8:10=
To solve this problem, we need to divide 581.8 by 10.
- Step 1: Identify the decimal point in the number 581.8, which is between the 1 and 8.
- Step 2: Move the decimal point one place to the left as per the rule of dividing by 10. This step transforms 581.8 into 58.18.
- Step 3: Write down the resulting number.
Therefore, when we divide 581.8 by 10, the result is 58.18.