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OpenStudy (anonymous):
which of the following are equal to the expression below ? sqrt 49*sqrt9 a. sqrt 441 b.sqrt58 c.441 d.sqrt44*9 e.21 d.58 ? help please some one ? thank u
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OpenStudy (anonymous):
sqroot of 49 is 7. square root of 9 is 3
OpenStudy (anonymous):
then 7 *3 is 21.:)
OpenStudy (hoblos):
sqrt 49*sqrt9 = sqrt49*9 = sqrt441 = 21 so a and e
OpenStudy (anonymous):
Evaluate the principal square root of 64 . ?
OpenStudy (anonymous):
is it 8 ??
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OpenStudy (hoblos):
yes it is
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