Вправи: 344

344. Подайте добуток у вигляді степеня:

1) (–7)³(–7)⁴ (–7) = (–7)⁸; 2) aa⁵a¹¹ = a¹⁷;

3) bbbb⁹ = b^{1 +1 +1 +9} = b¹²; 4) (x – y)³(x – y)¹² = (x –y)^{3 +12} = (x – y)¹⁵;

5) 14⁷ 14⁵ ∙ 14⁹ = 14⁷⁺⁵⁺⁹ = 14²¹;

6) (313)⁵ ∙ (103)⁴ = (313)⁵ ∙ (313)⁵⁺⁴ = (313)⁹.