Four hundred isone-tenthof what fourthousand.What is an equation?Two algebraicexpressionshaving the same value and symbol '=' in between are called anequation.To find out what number 400 isone-tenthof, we can use the fact that "one-tenth of x" isequivalentto "xdividedby 10".So, we can set up the followingequation:400 = x/10To solve for x, we canmultiplybothsidesof the equation by 10:400 (10) = xx = 4000Therefore, 400 isone-tenthof 4000.To learn more about theequation;brainly.com/question/12788590#SPJ2...

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