Evaluate the given expression if a = 2 and b = -4 a2-b3

asked Oct 3, 2022 200k views

23 votes

Evaluate the given expression if a = 2 and b = -4
a2-b3

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4 votes

Answer:

Explanation:

${a}^(2) - {b}^(3) \\ \\ = {(2)}^(2) - {( - 3)}^(3) \\ \\ = 4 - ( - 27) \\ \\ = 4 + 27 \\ \\ = 31$

PeterL answered Oct 10, 2022

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