Use properties of exponents to complete the equivalent expression,
1910
197
19

9514 1404 393
Answer:
3
Step-by-step explanation:
The applicable rule of exponents is ...
(a^b)/(a^c) = a^(b-c)
__
[tex]\dfrac{19^{10}}{19^7}=19^{10-7}=\boxed{19^3}[/tex]
The exponent of interest is 3.