Question

Sendo x ¥ o, transforme as expressões só potência.

a) x^7.x^2
b) x.x^4.x^4
c) (x^10)^2
d) x^7:x^6
e) x^11.x^9
f) (x^5)^5

Answer 1

a) $x^7.x^2= x^{(7+2)}=x^9$

b) $x . x^4.x^4= x^{(1+4+4)}=x^9$

c)$( x^{10})^2= x^{(10.2)}= x^{20}$

d) $x^{7}: x^{6} = x^{(7-6)}=x^1=x$

e) $x^{11}. x^{9}= x^{(11+9)}= x^{20}$

f) $(x^{5})^5= x^{(5.5)}= x^{25}$