Respuesta :

texaschic101
y^3 * y^4 = y^(3 + 4) = y^7.....so it is being multiplied by itself 7 times
Hello There Mate!

Simply count how many y's there are:
It is 7.
Or add the exponents since when they are multiplied you add them:
[tex] y^{3} + y^{4} = y^{7} [/tex]

Hope This Helps You!
Good Luck :) 

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