A

Step-by-step explanation:

304×27=8208

2736×3=8208

Answer:

a. 2736

Step-by-step explanation:

Multiply 304 by 27, that yields 8,208. Next step, divide 8,208 by three, the answer is 2,736. On checking, multiply 2,736 by three, that will also have a product of 8,208. Therefore, 2,736 is the missing number to make the equation correct.