The rules for multiplying and dividing decimals are;
Multiplying decimals:
- Multiply as usual, ignoring the decimals.
- Determine the total number of digits behind the original numbers' decimal points.
- Place the same number of digits behind the decimal point in the product.
Dividing Decimals:
-If the divisor is not a whole number, move decimal point to right to make it a whole number and move decimal point in dividend the same number of places.
- Divide as usual. ...
- Put decimal point directly above decimal point in the dividend.
- Check your answer