If a a^n=a^n-1-9 and a^4 =11 what is a^8?
A-25
B1
C-16
D-5

Which statement is always true? a negative exponent cannot be part of an expression's numerator. a negative base raised to the power of 2 has a negative value. a negative base raised to the power of 2 has a positive value. any number to the first power is zero.

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The vertices of a triangle are a(7.5), b(4,2), and c19. 2). what is