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Alege regula/regulile de calcul care se aplică în rezolvarea exercițiilor: 1. [(–3)²]⁴

A. a^m ∙ aⁿ = a^{m + n}

B. a^m : aⁿ = a^{m – n}

C. (a^m)ⁿ = a^{m ∙ n}

D. (a ∙ b)ⁿ = aⁿ ∙ bⁿ

E. (a : b)ⁿ = aⁿ : bⁿ

2. [(–4) ∙ (–5)]³

A. a^m ∙ aⁿ = a^{m + n}

B. a^m : aⁿ = a^{m – n}

C. (a^m)ⁿ = a^{m ∙ n}

D. (a ∙ b)ⁿ = aⁿ ∙ bⁿ

E. (a : b)ⁿ = aⁿ : bⁿ

3. (–5) ∙ (–5)² ∙ (–5)⁶

A. a^m ∙ aⁿ = a^{m + n}

B. a^m : aⁿ = a^{m – n}

C. (a^m)ⁿ = a^{m ∙ n}

D. (a ∙ b)ⁿ = aⁿ ∙ bⁿ

E. (a : b)ⁿ = aⁿ : bⁿ

4. (+8)¹² : (+8)⁵

A. a^m ∙ aⁿ = a^{m + n}

B. a^m : aⁿ = a^{m – n}

C. (a^m)ⁿ = a^{m ∙ n}

D. (a ∙ b)ⁿ = aⁿ ∙ bⁿ

E. (a : b)ⁿ = aⁿ : bⁿ

5. [(+8) : (–4)]²

A. a^m ∙ aⁿ = a^{m + n}

B. a^m : aⁿ = a^{m – n}

C. (a^m)ⁿ = a^{m ∙ n}

D. (a ∙ b)ⁿ = aⁿ ∙ bⁿ

E. (a : b)ⁿ = aⁿ : bⁿ

6. [(–2)³]⁴ : (–2)⁷

A. a^m ∙ aⁿ = a^{m + n}

B. a^m : aⁿ = a^{m – n}

C. (a^m)ⁿ = a^{m ∙ n}

D. (a ∙ b)ⁿ = aⁿ ∙ bⁿ

E. (a : b)ⁿ = aⁿ : bⁿ

7. [(–12)⁰ ∙ (–12)⁸ : (–12)³]⁴

A. a^m ∙ aⁿ = a^{m + n}

B. a^m : aⁿ = a^{m – n}

C. (a^m)ⁿ = a^{m ∙ n}

D. (a ∙ b)ⁿ = aⁿ ∙ bⁿ

E. (a : b)ⁿ = aⁿ : bⁿ