Respuesta :

The first one. When two bases are the same and are multiplied, their exponents are added together
Hope this helps!

An expression is defined as a set of numbers, variables, and mathematical operations. The correct option is B.

What is an Expression?

In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.

The given expression can be simplified as,

c² ⋅ c⁹

= c⁽²⁺⁹⁾

= c¹¹

Hence, the correct option is B.

The complete questions is:

Choose the correct simplification of the expression c² ⋅ c⁹.

c¹¹

c⁷

c¹⁸

c

Learn more about Expression:

https://brainly.com/question/13947055

#SPJ2