Respuesta :

Wolfyy

Answer:

1,274

Step-by-step explanation:

5a^4 + 6b^3 when a = 4 and b = -1

~Substitute

5(4)^4 + 6(-1)^3

~Solve the exponents

5(256) + 6(-1)

~Multiply

1280 - 6

~Subtract

1,274

Best of Luck!