Find the Product and Write the Result in Standard Form $5 \mathrm { i } ( - 9 \mathrm { i } + 2 )$

question 311

Multiple Choice

Find the product and write the result in standard form.
- $5 \mathrm { i } ( - 9 \mathrm { i } + 2 )$

• A) \(45 + 10 \mathrm { i }\)
• B) \(- 45 + 10 \mathrm { i }\)
• C) \(10 \mathrm { i } - 45 \mathrm { i } ^ { 2 }\)
• D) \(10 \mathrm { i } + 45 \mathrm { i } ^ { 2 }\)

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