The correct option is
C 0.390
Steps to Solve 0.024×15
Step 1: Count the number of digits after decimal point.i.e 3
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1335437/original_9.14.2.JPG)
Step 2: Ignore a decimal point and perform the multiplication, as you would with whole numbers as follows i.e
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1345658/original_9.20.3.JPG)
Step 3: Now place a decimal point back.
0.026 has 3 decimal places. So, move the decimal point 3 places to the left in the product
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1345650/original_9.20.2.JPG)
Hence,
0.026×15=0.390