Answer:
2c
Step-by-step explanation:
Using the rule of exponents
[tex]a^{m}[/tex] × [tex]a^{n}[/tex] ⇔ [tex]a^{(m+n)}[/tex]
Given
[tex]c^{-6}[/tex] × 2[tex]c^{7}[/tex]
= [tex]c^{(-6+7)}[/tex] × 2 = 2c