Quiz — 1613454588_89984_Exercice6 _ puissance(Python)_ok.pdf

Question 1 sur 10 20:00

[{"id":39620,"question":"Quel est le résultat de l'expression 3 ** 2 en Python ?","option_a":"6","option_b":"9","option_c":"8","option_d":"5","option_e":"","option_f":"","bonne_reponse":"b","explication":"L'opérateur ** effectue une exponentiation : 3 ** 2 = 3 × 3 = 9.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"6\", \"b\": \"9\", \"c\": \"8\", \"d\": \"5\"}}","_debug_options_count":4},{"id":39621,"question":"L'expression 4 ** 0.5 retourne toujours un entier.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"b","explication":"4 ** 0.5 = 2.0, qui est un nombre flottant, pas un entier.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":39622,"question":"Quel opérateur utilise-t-on pour calculer une puissance en Python ?","option_a":"^","option_b":"*","option_c":"**","option_d":"\/","option_e":"","option_f":"","bonne_reponse":"c","explication":"L'opérateur ** est dédié à l'exponentiation en Python.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"c\", \"options\": {\"a\": \"^\", \"b\": \"*\", \"c\": \"**\", \"d\": \"\/\"}}","_debug_options_count":4},{"id":39623,"question":"Que retourne l'expression 2 ** 3 ** 2 en Python ?","option_a":"64","option_b":"512","option_c":"128","option_d":"8","option_e":"","option_f":"","bonne_reponse":"b","explication":"L'évaluation se fait de droite à gauche : 2 ** (3 ** 2) = 2 ** 9 = 512.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"64\", \"b\": \"512\", \"c\": \"128\", \"d\": \"8\"}}","_debug_options_count":4},{"id":39624,"question":"L'expression 5 ** -1 retourne un nombre négatif.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"b","explication":"5 ** -1 = 1\/5 = 0.2, qui est un nombre positif.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":39625,"question":"Quel est le résultat de l'expression (2 + 3) ** 2 en Python ?","option_a":"10","option_b":"25","option_c":"13","option_d":"7","option_e":"","option_f":"","bonne_reponse":"b","explication":"Les parenthèses sont évaluées en premier : (2 + 3) = 5, puis 5 ** 2 = 25.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"10\", \"b\": \"25\", \"c\": \"13\", \"d\": \"7\"}}","_debug_options_count":4},{"id":39626,"question":"Peut-on utiliser l'opérateur ** avec des nombres négatifs ?","option_a":"Oui, mais seulement si l'exposant est positif","option_b":"Non, c'est interdit","option_c":"Oui, sans restriction","option_d":"Oui, mais seulement si la base est positive","option_e":"","option_f":"","bonne_reponse":"a","explication":"Oui, on peut utiliser ** avec des nombres négatifs (ex: -2 ** 3 = -8).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Oui, mais seulement si l'exposant est positif\", \"b\": \"Non, c'est ","_debug_options_count":4},{"id":39627,"question":"L'expression 0 ** 0 retourne 1 en Python.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"b","explication":"En Python, 0 ** 0 retourne une erreur (ZeroDivisionError).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":39628,"question":"Quel est le résultat de l'expression 10 ** 0 en Python ?","option_a":"0","option_b":"1","option_c":"10","option_d":"100","option_e":"","option_f":"","bonne_reponse":"b","explication":"Tout nombre élevé à la puissance 0 vaut 1 (sauf 0 ** 0).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"0\", \"b\": \"1\", \"c\": \"10\", \"d\": \"100\"}}","_debug_options_count":4},{"id":39629,"question":"Peut-on utiliser l'opérateur ** avec des variables en Python ?","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Oui, on peut utiliser ** avec des variables (ex: a ** b où a et b sont des variables).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4}]