Since a product in maths means the result after multiplying numbers, you need to multiply 2 prime numbers and get 4.
If we look at the prime numbers: 2, 3, 5, 7, 11, etc, we see that the only number we can multiply to get 4 is 2, or, in other words, the only multiplication of prime numbers we can do to get four is 2*2=4.
Step-by-step explanation:

Answer:
A)c=130/20
B)6.5 calories
Step-by-step explanation:
in one minute the calories burnt are
the equation would be
20 min.=130 calories
1 min.=?c
c=130÷20
part B=130÷20
=6.5 CALORIES
Answer: I need to know how to solve this problem, as this problem is incomplete.
Step-by-step explanation: