In expanded form, it would be 9*10 + 5*1 + 4 * 0.1 + 1 * 0.01 + 7 * 0.001. Hope this helps!
<u>How to Find the Distance Between Two Points</u>
Distance formula: d(P, Q) =√(x2 − x1)^2+(y2 − y1)^2
If you use this equation the answer will be 5.
Answer:
The first question would likely be y=10.
The second question would likely be x=20.