Divide :
`0.1728 div 72`

Answer

To solve the division of \( 0.1728 \div 72 \), we can follow these steps:

### Step-by-Step Solution:

1. **Convert the Decimal to a Whole Number**:
To eliminate the decimal, we can multiply both the numerator (0.1728) and the denominator (72) by 10,000. This gives us:
\[ 0.1728 \times 10,000 = 1728 \]
\[ 72 \times 10,000 = 720,000 \]
So, we can rewrite the division as:
\[ \frac{1728}{72000} \]

2. **Simplify the Fraction**:
We can simplify the fraction \( \frac{1728}{72000} \) by dividing both the numerator and the denominator by 72:
\[ \frac{1728 \div 72}{72000 \div 72} = \frac{24}{1000} \]

3. **Convert the Fraction to Decimal**:
Now, we can convert \( \frac{24}{1000} \) to decimal form:
\[ \frac{24}{1000} = 0.024 \]

4. **Final Answer**:
Therefore, the result of \( 0.1728 \div 72 \) is:
\[ 0.0024 \]