Answer:
1/2¹⁵ or 2⁻¹⁵
Step-by-step explanation:
2³ / (2⁶)³2³ / 2¹⁸ (The exponents multiply in such cases)1 / 2⁽¹⁸⁻³⁾1/2¹⁵ or 2⁻¹⁵
