Question

Sejam as afirmações: (1.0)
I . ( - 2 ) 6 = 64 ( )
II . ( - 13)2 = 169 ( )
III. ( - 10 )3 = - 100 ( )
IV . ( - 3)2 = 6 ( )

Quantas são verdadeiras?
a) 1
b) 2
c) 3
d) 4
e) 5

Answer 1

Olá!

Repetimos a base pelo valor do expoente !

( - 2 ) × ( - 2 ) × ( - 2 ) × ( - 2 ) × ( - 2 ) × ( - 2 )

+ 4 × + 4 × + 4

+ 16 × + 4

+ 64 (✔)

( - 13 ) × ( - 13 )

+ 169 (✔)

( - 10 ) × ( - 10 ) × ( - 10 )

+ 100 × ( - 10 )

- 1000 ( × )

( - 3 ) × ( - 3 )

+ 9 ( × )

Alternativa ( B )