Answer:
1/a^19 (1 over a to the 19th power)
Step-by-step explanation:
when you divide, you subtract the exponents. -13 minus -6 is -19. when its a negative, you put it positive over 1. hope this helps :)
work:
a^-13/a^-6= a^-19
a^-19 --> 1/a^19
*****this is wrong, answer is 1/a^7
