LexiW
LexiW
05-02-2018
Mathematics
contestada
(t^-4)^-9t^2
A)t^26
B)t^-26
C)t^38
D)t^-38
Respuesta :
sqdancefan
sqdancefan
05-02-2018
The relevant rules of exponents are
.. (t^a)^b = t^(a·b)
.. t^a·t^b = t^(a+b)
You have
.. (t^-4)^-9·t^2
.. = t^((-4)*(-9) +2)
.. = t^38 . . . . . . . . . . . selection C
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