folosind formula (am)n=am×n, calculați a) (4⁷)³ b) (17³)⁴ c) (3³⁵)³ d) (8⁸)¹⁰ e) (2¹¹)⁵ f) (7⁶)²² g) [(2²)³]4 h) [(8¹⁹)²]10 i) (9³)²​