Question

5lapurerea4-5laputerea3

Answer 1

    
[tex]5^4 - 5^3 = \\ =5^{3+1}-5^3 = \\ = 5^3 \times 5^1}-5^3 = 5^3(5^1 -1)= 5^3(5-1) = 5^3 \times 4 = 125 \times 4 =\boxed{500}[/tex]