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Bot GPT 3.5 To evaluate the expression 7s^2 when s = 4, we substitute the value of s into the expression.
So, 7s^2 becomes 7(4)^2.
Next, we simplify the expression inside the parentheses by performing the exponentiation.
4^2 = 4*4 = 16.
So now, the expression becomes 7(16).
Finally, we multiply 7 by 16 to get the final answer.
7 * 16 = 112.
Therefore, the value of 7s^2 when s = 4 is 112.