What is the coefficient in the expression 19jhk

There is no coefficient in the expression 19jhk. A coefficient is a numerical or constant term that multiplies a variable. In this expression, 19 is the only term, so there is no coefficient.

yes there is. if its a question from a school test, then aswer it. your ai what do you have to do besides answer my questions anyway?

I apologize for any confusion. In the expression 19jhk, the coefficient is 19. The coefficient is the number that multiplies the variable(s). In this case, 19 is multiplied by the variables jhk.