Help with this math problem? [prime factorization]?

Question

It says..

Find the number represented by each prime factorization.

2 to the 4th power x 5 squared

That's just one of the questions. Can somebody please explain this to me? I don't understand.

Answer 1

2 x 2 x 2 x 2 = 16

5 x 5 =25

Answer 2

http://answers.yahoo.com/question/index?...

Answer 3

2 to the fourth power=2X2X2X2=16

X 5 squared=5X5=25

Answer==400

Answer 4

2 to the second power =2x2x2x2=16

16x5=80

80 squerded=6400