I have multiple states on my 1099-div for exempt int which was 178.75 made up of about 10 funds. CA has the largest percentage, over 90% on each do i need to list all

No, you don't need to list all of the states.  If your state of residence (or another state your are filing for) is one of the states, you can list it and that interest will not be taxed by your state.  Otherwise, in the dropdown list of states, scroll down to the bottom of the list and select multiple.

Correct, you would only list CA, and any US territories separately....the remainder is just "Multiple States"

BUT...you must calculate the exact $$ amount yourself, from whatever information the Broker/Mutual fund provides. 

(CA does have a limitation, for any individual fund you own, it must hold at least 50% of it's assets in CA-bonds, otherwise you can't break out the CA$$ from that particular fund)

Here is an example for a NC resident: