Final answer:
Pablo Picasso showed exceptional artistic talent at an early age, assisting his father with paintings at age ten and mastering academic traditions by his early teens, although the exact age of his first art exhibit is not stated.
Step-by-step explanation:
Pablo Picasso was a prolific Spanish painter and the creator of Cubism. At the young age of ten, he assisted his father, painting the minor elements on his canvases. By the time he was in his early teens, Picasso had already mastered the academic tradition and was creating works in a naturalistic manner, displaying his exceptional talents.
Although the exact age at which he held his first art exhibit is not explicitly mentioned in the information provided, it is evident that he was already deeply involved in art and had developed considerable skills by the age of thirteen.
Taking into account the prodigious nature of his talent and early involvement in the art world, it is likely that his first exhibit would have occurred when he was still quite young.