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calculati (27 la 34×9la 15)÷81la puterea 7

Răspuns :

27^34 = (3^3)^34 = 3^102 
9^15 = (3^2)^15 = 3^30 
81^7 = (3^4)^7 = 3^28 

(27^34 x 9^15) :81^7 = (3^102 x 3^30) : 3^28 = 3^132 : 3^28 = 3^104

^=la puterea
(27^34×9^15)÷81^7
=((3^3)^34×(3^2)^15)÷3(^4)^7
=(3^102×3^30)÷3^28
=3^132÷3^28=3^104