Answer:
The mistake is adding and there is no way to solve if you have to add
Step-by-step explanation:
3/20 as a decimal equivalent is <span>0.15</span>
For this case we have the following vectors:

The dot product of two vectors is a scalar.
The point product consists of multiplying component by component and then adding the result of the multiplication of each component.
For the product point of the vectors a and b we have:
Answer:
The product point of the vectors a and b is: