5x10^2=5x100=500. 3x10^3=3x100=300.

Question

5x10^2=5x100=500.                                                        3x10^3=3x100=300.

Ms. Sue · Answer

This is right. 5x10^2=5x100=500 3x10^3 = 3 * 1,000 = 3,000