15) 2⁹ / 16

1. Express 16 as a power of 2: 2⁹ / 2⁴.
2. Use the rule of exponents aⁿ / aᵐ = aⁿ⁻ᵐ: 2⁹⁻⁴ = 2⁵.
3. Calculate: 32.