Plis tlng dibantu ya Terimakasih

A.) 2^6 - 7² = 64 - 49 = 15

B.) 15³ : 15² = 15

C.) 9^4 × 2³/6²
= (3²)^4 × 2³/(3×2)²
= 3^8 × 2³ / 3² × 2²
= 3^6 × 2
= 726×2
= 1458

D.) (3²)^5 × 8²/12
= 3^10 × (2³)²/4×3
= 3^10 × 2^6 / 2² × 3
= 3^9 × 2^4
= 19683 × 16
= 314928