Lorenzo tried to evaluate an expression. Here is his work:5×32−23+6152−23+6 {Step 1}225−8+6 {Step 2}217+6 {Step 3}223 {Step 4}Is Lorenzo's work correct?Choices:(A)No, Lorenzo made a mistake going from the given expression to Step 1. Lorenzo should have squared 3 before multiplying. The order of operations says to evaluate exponents before you multiply.(B)No, Lorenzo made a mistake going from Step 2 to Step 3. Lorenzo should have added 8 and 6 before subtracting. The order of operations says to add before you subtract.(C)Yes, Lorenzo's work is correct.
Q. Lorenzo tried to evaluate an expression. Here is his work:5×32−23+6152−23+6 {Step 1}225−8+6 {Step 2}217+6 {Step 3}223 {Step 4}Is Lorenzo's work correct?Choices:(A)No, Lorenzo made a mistake going from the given expression to Step 1. Lorenzo should have squared 3 before multiplying. The order of operations says to evaluate exponents before you multiply.(B)No, Lorenzo made a mistake going from Step 2 to Step 3. Lorenzo should have added 8 and 6 before subtracting. The order of operations says to add before you subtract.(C)Yes, Lorenzo's work is correct.
Check Calculation: Step 1: Check Lorenzo's calculation from the original expression to Step 1.Original expression: 5×32−23+6Lorenzo's Step 1: 152−23+6Error: Lorenzo incorrectly calculated 5×32 as 152 instead of 5×9=45.
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