1.65:10=
To solve the problem of dividing 1.65 by 10, we apply the rule for decimal division by powers of ten:
- Step 1: Identify the given number, which is 1.65.
- Step 2: Apply the rule for division by 10. This involves moving the decimal point one place to the left.
- Step 3: Starting with 1.65, move the decimal point one place to the left to get 0.165.
Therefore, after dividing 1.65 by 10, we obtain 0.165.