Question

fill in the missing number:
5 0
× 9 6
overline{ 3 0 0}
+ squaresquaresquaresquare
overline{ 4, 8 0 0}

Explanation:

Step1: Find the partial product

Multiply 50 by the tens digit of 96 (which is 9, representing 90):
$50 \times 90 = 4500$

Step2: Verify with final sum

Check that $300 + 4500 = 4800$, which matches the total product.

Answer:

4500