Explanation of the Answer
Here’s how you arrive at the correct solution:
- Notice that the 1s at the end of each row are written directly next to the following number, with no sign in between.
- This means they should be read as the number 11, not as two separate 1s.
On the final line, the expression contains “1 x 0”:
- First, calculate the multiplication: 1 × 0 = 0.
- Then perform the addition.
Remember: when there are no parentheses, multiplication must always be done before addition.



