a) 7^15 / (7^13 * 7^2) =
= 7^15 / 7^15 = 1
б) 42^9 / (6^6 * 7^9) =
= (6^9 * 7^9) / (6^6 * 7^9) =
= 6^3 = 216
1;216
Пошаговое объяснение:
(7^3)^5
7^13*49
7^15
7^2
49
49/49=1
42^9
(6^3)^2*7^9
6^9*7^9
6^6*7*9
6^3=216
a) 7^15 / (7^13 * 7^2) =
= 7^15 / 7^15 = 1
б) 42^9 / (6^6 * 7^9) =
= (6^9 * 7^9) / (6^6 * 7^9) =
= 6^3 = 216
1;216
Пошаговое объяснение:
(7^3)^5
7^13*49
7^15
7^13*49
7^2
49
49/49=1
42^9
(6^3)^2*7^9
6^9*7^9
6^6*7*9
6^3=216