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OpenStudy (anonymous):
Find |−2 − 7i|.
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hartnn (hartnn):
\(\Large |a+bi|=\sqrt{a^2+b^2 } \\ \Large |-2-7i| =...? \)
OpenStudy (anonymous):
isn't the answer \[\sqrt{53}\] ??
hartnn (hartnn):
\(\huge \checkmark \)
OpenStudy (anonymous):
yay :D thanks!
hartnn (hartnn):
welcome ^_^
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