The correct option is A 159.46
Here both the multiplicants have 1 digit each after the decimal point. So the product should have 2 digits after the decimal point.
The multiplication is shown as follows:
23.8×
6.7
_______
1 6 6 6
1 4 2 8
________
1 5 9.4 6
So, 23.8 × 6.7 = 159.46