1. Find the decimal equivalent of the mixed number.11 1/4 A~ 11.25?

2. Divide by moving the decimal point.
8.9 / 10 TO THE POWER OF 2 A~0.089?

3.A block of cheese weighing 2.6 pounds (lb) sold for $15.55. Find the cost per pound to the nearest cent. A~$5.98?