1.calcule
A)(-3)⁴
B)-3⁴
C)-5³
D)(-5)³
E)(-1,4)²
F)-1,4²

2)Relacione as expressões que tem o mesmo valor.
A)7.7.7.7
B) (7²)⁴
C)(5²)²
D)5².5⁴
E)7³.7
F)5.5.5.5
G)(5²)³
H)49⁴

3)CALCULE
A)√1
B)√121
C)1,21
D)0,49
E)0,09
F)4/25
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