Estimate:
556
X 4
Estimate and then find the product

Estimated: 2240Exact: 2224

Step-by-step explanation:

To estimate:

Round 556 to the nearest 10s place: 5604 is fine as it is560 × 4 = 2240

Exact

556 × 4 = 2224

Because the two answers are really close to each other, our rounded answer makes sense.

I hope this helps!

If you use a graphing calculator or desmos online and punch in " y=6x^2-60x+147 " there will be a graph. There will be a middle dot. If you put you click it, it will show up (5,-3). Because the axis of symmetry is always the x variable then it would be the last choice. x=5