Hello everyone. I have a problem C5 W1 A3 the first task, my model has 39,680 parameters when it should be 45,530. Did anyone have this problem?

That is just one of the layers. The 45,530 is talking about the sum total of all the parameters. Look at the end of the list of layers.

Ok, then that must mean that there is something wrong with your model. The LSTM layer is the only one with parameters that count towards the total. So why is that? What happened to the Dense layer with 5850 parameters?