Question: A student submitted the following problem but the solution is incorrect. Identify the mistake. What did the student do wrong? Solve the problem correctly. Simplify

A student submitted the following problem but the solution is incorrect. Identify the mistake. What did the student do wrong? Solve the problem correctly. Simplify the expression: (1.9 - 7i) + (4.2 - 2.3i) Incorrect solution: (1.9 - 7i) + (4.2 - 2.3i) = 6.1 - 9.3i2 = 6.1 - 9.3(-1) = 6.1 + 9.3 = 15.4

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