REALLY NEED HELP TONIGHT!!!!!

Simplify the expression: (5a^4b^2)^3(-26^4)  {{{PLEASE HELP!!!!}}}
these are your choices for answers...

-250a^12b^10

250a^12b^10

-10a^12b^10

Respuesta :

(5ab²)³(-2b) =  (125a¹²b⁶)(-2b) = -250a¹²b¹⁰