Question

помогите добрые люди!)​

Answer 1

$25b \times 5 = 125b \\ 125 \times 4 = 500 \\ 125 \times 12 = 1500$

$25 {b}^{5} = 25 \times {4}^{5} = 25 \times 1024 = 25600 \\ 25 \times {12}^{5} = 6 220 800$