Only half my electrical outlets work

Thanks...I did check over the kitchen counter but it never dawned on me to look under/behind anything. The only outlet I found on the exterior was by the door...I did a walk around and didn't see anything else, but that doesn't mean I didn't miss it! When I get home I'll check in all the less obvious places...and thanks so much for the suggestions. This is my first experience with an RV, let alone living in it.