2³×2²×2⁴= 2b³ × 2b × 2b³=

[tex]1. \: {2}^{3 + 2 + 4} = {2}^{9} [/tex]
= 512

[tex]2. \: (2 \times 2 \times 2) \times {b}^{3 + 1 + 3} [/tex]
[tex] = \: 8 {b}^{7} [/tex]
Semoga membantu :) maaf jika salah