How do you multiply #4sqrt(10^2)#?

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Answer 1 · 2015-09-16T12:06:50

40

#4*sqrt(10^2) = 4*10=40#
If you meant to ask the 4th root of #10^2#, then it becomes #10^(2/4) = sqrt(10) = 3.16#

Answer 2 · 2015-09-16T12:07:29

#40#

#4sqrt(10)^2#

#= 4*10#

#=40#