Question

E para amanha agradeço quem responder

Answer 1

Resposta:

a)

$(-3)^7\div(-3)^2=\\(-3)^{7-2}=\\(-3)^5$

b)

$4^{10}\div(-4)^3=\\-4^{10-3}=\\-4^7$

c)

$(-5)^6\div(-5)^2=\\(-5)^{6-2}=\\(-5)^4$

d)

$3^9\div3=\\3^{9-1}=\\3^8$

e)

$(-2)^2\div(-2)^5=\\(-2)^{2-5}=\\(-2)^{-3}$

f)

$(-3)^7\div(-3)=\\(-3)^{7-1}=\\(-3)^6$

g)

$(-9)^4\div(-9)=\\(-9)^{4-1}=\\(-9)^3$

h)

$(-4)^2\div(-4)=\\(-4)^{2-1}=\\-4$