Question

CALCULE

(-2)⁵

(-3)⁴

1,5²

(7/9)‐²

(-1/5)‐3​

Answer 1

Resposta:

$(-2)^{5}= (-2).(-2).(-2).(-2).(-2)= -32$

$(-3)^{4} = (-3).(-3).(-3).(-3)= 81$

$1,5^{2} =1,5 . 1,5=2,25$

$(7/9)^{2}\\{7^{2} }/{9^{2} }\\49/81\\\frac{49}{81}$

$(-\frac{1}{5})-3\\\\-\frac{1}{5}-3\\\\-\frac{16}{5}$