SOLUTION: Please help me solve this algebra 2 question: The Absolute value of 5-4i

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Question 25400: Please help me solve this algebra 2 question:
The Absolute value of 5-4i
Answer by venugopalramana(3286) About Me  (Show Source):
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ABSOLUTE VALUE OF A COMPLEX NUMBER Z = A+iB IS GIVEN BY
|Z|=SQUARE ROOT OF (A^2+B^2)...HENCE FOR Z = 5-4i.WE GET
|Z|=SQUARE ROOT OF (5^2+(-4)^2)= SQUARE ROOT OF (25+16)= SQUARE ROOT OF (41)