Question #61a5a

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Answer 1 · 2017-03-29T15:52:32

#5sqrt700#

#=5sqrt(100*7)#

#=5(sqrt100)sqrt7#

#=5*10sqrt7#

#=50sqrt7#

Answer 2 · 2017-03-29T16:42:49

#color(blue)(50sqrt7#

#5sqrt700#

#:.=5sqrt(2*2*5*5*7)#

Note:

#color(red)(sqrta*sqrta=a # or #color(red)(sqrt(a*a)=a#

#:.=5*2*5sqrt7#

#:.color(blue)(=50sqrt7#