Respuesta :

sanjibdas5930

Answer:

SOLUTION

[tex] {y}^{4} \times {y}^{8} = y8 + 4 = {y}^{12} [/tex]

Beacause of the property of exponent =

[tex]a ^{b} \times {a}^{c} = a ^{b + c} [/tex]

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