how do you get 501 by using only five fives

Question

it has to be five and you can only use five fives and you can not use pie but you can use decimals square and cube so as square root

Answer 1

[5 squared times (five - (five to the zero power)) times 5] all plus 5 to the zero power

= (5^2)(5 -5^0)(5) +5^0 that's five fives

= 25(5-1)(5) -+ 1

=25(4)(5) +1

=500+`1

=501