Evaluate the Radical Expression $- ( \sqrt { 40 } ) ^ { 2 }$

question 95

Multiple Choice

Evaluate the radical expression $- ( \sqrt { 40 } ) ^ { 2 }$ without using a calculator. If not possible, state the reason.

• A) -40
• B) 1600
• C) -1600
• D) 40
• E)not a real number

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