There are two ways to find the coefficient 

 in an exponential function, depending on if you know the y-intercept. This video will show you both.

How Do You Find the Coefficient a in an Exponential Function?

There are two ways to find the coefficient a in an exponential function, depending on if you know the y-intercept. This video will show you both. 

The number in front of a variable or product of variables, showing how many you have of that variable or product of variables

A mathematical statement which tells you that two expressions are equal