SOLUTION: Evaluate the expression: -5 exponent -1/2 (over) 2 square root of 5

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Question 301934: Evaluate the expression: -5 exponent -1/2 (over) 2 square root of 5
Answer by london maths tutor(243) About Me  (Show Source):
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Note : Exponential is represented by "e" and square root is represented by ^(1/2)
-5/2
Note : e^(-1/2)=1/[e^(1/2)] and 5 ÷ 5^(1/2) = 5^(1/2)

Therefore:
(5/e)^(1/2) * (-1/2)
= -0.678121892777621
= - 0.68