What is the power of minus one fifth to the power of 2009 plus five to the power of 2010

What is the power of minus one fifth to the power of 2009 plus five to the power of 2010

What is the power of minus one fifth to the power of 2009 plus five to the power of 2010
If so, is it necessary to do so
It should be a ride
Minus one fifth to the power of 2009 multiplied by five to the power of 2010 equals - 5

How much is the power of minus five to the power of 2010 multiplied by minus one fifth to the power of 2011

(-5)²º¹º×(-1/5)²º¹¹
=(-5)²º¹º×(-1/5)²º¹º×(-1/5)
=[(-5)×(-1/5)]²º¹º×(-1/5)
=1²º¹º×(-1/5)
=-1/5

Why is the minus 1 power of 5 equal to one fifth
Give me a reasonable explanation. Don't make me memorize
I just asked why the negative nth power of a is one nth power of a, which is a reasonable explanation,

The negative power of 5 = the reciprocal of the power of 5 = one fifth

What's the negative one fifth to the third power

-1/125