4 A student evaluates the expression √81 +√144 +5-² (V-125). The steps of their work are shown. Step 1 Step 2 Step 3 Step 4 √81 + √144 +5-2 (V-125) √225 +5-2 (-125) 15 +5-² (-5) 15 +0.04 (-5) 14.8 The student made an error evaluating the expression. What was the student's error? Use the drop-down menus to explain your reasoning. The student made an error in Choose... of their work because Choose... correct evaluation of the expression is Choose...

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