How many cubic centimeters of ore 0.25% by mass silver must be processed to obtain 2.0 pounds of silver? The density of the ore is 7.0 g/cm cubed. cm cubed; 1.00 pound=454 g. Assume that the process is 100% efficient.

I get the answer of 520 but the answer is 52000 and i dont understand why im so off. Can someone help me please i would really appreciate it.

Thank you