That of course depends upon the "Load Out", all tubes and racks filled and what the make up of the variants included.
Could be some Nukes are aboard an of course the likelihood of those being used is extremely remote to the level of total improbability.
Then one would have to consider the kinds and types of targets and having an appropriate missile for that target.
Sheer numbers of missiles is just the starting point but for sure if all four boats are in the Operational Area they bring considerable fire power with them along with all of the other capabilities they possess.
There has been no. mention of any Attack Subs being deployed but common practice is for every Carrier Task Group to have some as part of the defensive screen for the Task Group.