Simplify the Complex Number and Write It in Standard Form $3 i ^ { 2 } - 7 i ^ { 3 }$

question 45

Multiple Choice

Simplify the complex number and write it in standard form.​ $3 i ^ { 2 } - 7 i ^ { 3 }$ ​

• A)​ \(- 7 + 3 i\)
• B)​ \(3 + 7 i\)
• C)​ \(- 3 - 7 i\)
• D)​ \(- 3 + 7 i\)
• E)​ \(3 - 7 i\)

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