Answer:
The correct option is c.
Step-by-step explanation:
Given that,
u = 7i+4j and v = 2i-3j
We need to find the product of u and v. The dot product of two vectors is given by :

So, the dot product of u and v is equal to 2.
Answer:
I would say 340 grams........
Step-by-step explanation:
340 grams
Put this into a scientific calculator
1/3 x pi x 18 squared x 16