Evaluate 5a3 + 3b4 when a 4 and b= - 5

1 answer:

5 0

5a^3 + 3b^4

insert the numbers into the equation.

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

evaluate

5(64) + 3(625)

evaluate

320 + 1875

the solution is:

2195

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Evaluate 5a3 + 3b4 when a 4 and b= - 5​