Answer:
An expression
Step-by-step explanation:
Here is what I think it is. 7 is not an example of an expression because an expression is an equation without an equal sign. I believe that an expression has more than 1 number in it, so 7 is not an expression.
n=2.5
WHAT ARE THE MULTIPLE CHOICES?!?!?!
4ux³
√8ux⁵ √2ux
√8*2 u*u x⁵*x
√16u²x⁶
Can You Make the Question Clear Please!?