Are the divorce pronouncements uttered by the husband counted, even if he did not intend divorce, taking into account the words of the Messenger of Allah, peace and blessings be upon him: "There are three things which, whether done in earnest or in jest, are to be taken seriously: marriage, divorce, and رجعة (taking back one's wife after a revocable divorce)"?

Divorce takes effect the moment it is uttered, and your husband has divorced you four times, which means you are unlawful to him, and you must separate from him immediately. You are not lawful to him until you marry another man in a valid marriage, and he consummates the marriage with you, and then he divorces you by his own choice without any prior agreement. A woman's dancing in front of non-mahram men is not permissible. However, if it is only in front of women, it is permissible with certain regulations. Furthermore, a woman's going out to work is permissible with certain regulations.