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Mathematics 11 Online
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

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 ??

OpenStudy (hoblos):

yes it is

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