Answer:
The answer is -256.
Step-by-step explanation:
You have to substitute the value of b and c into the expression :
[tex] {b}^{2} {c}^{1} [/tex]
Let b = 8,
Let c = -4,
[tex] {8}^{2} \times { - 4}^{1} [/tex]
[tex] = 64 \times - 4[/tex]
[tex] = - 256[/tex]
