Answer: D. 7^11
Reason:
The rule we use is [tex]a^b*a^c = a^{b+c}[/tex]
When multiplying exponentials of the same base, we add the exponents.
The exponents 5 and 6 add to 5+6 = 11
So,
[tex]7^5 \times 7^6 = 7^{5+6} = 7^{11}[/tex]
The base stays the same the entire time.
