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...

The options for the first box are: step 1, 2, 3, or 4. The options for the second box are: a cube root cannot be a negative number, an integer raised to a negative number will not be less than one, the fraction should be added before multiplying by the cube root, and the square root of the sum does not equal the sum of the square roots. The options for the 3rd box are: -110, -75.2, 15.2, 20.8