1. In 5 286 793, what is the place value of the digit 5?

2. 725 x 800 = ______.

3. Find the value of 200 - 30 x 4 + 20 ÷ 5.

4. Sandra bought 5 pots which costs $16 each. She also bought a cup for $4. Which number sentence below shows how much she had left if she had $100 at first?