Question

me ajude a responder essa questão!!​

Answer 1

Resposta passo a passo:

A) $x^{12}y^{14}:x^{5}y^{7}=x^{12-5}y^{14-7}=x^{7}y^{7}$

B) $y^{8}z^{15}:y^{6}z^{12}=y^{8-6}z^{15-12}=y^{2}z^{3}$

C) $az:az=a^{1-1}z^{1-1}=a^{0}z^{0}=1.1=1$

D) $a^{15}c^{18}:a^{5}c^{2}=a^{15-5}c^{18-2}=a^{10}c^{16}$

E) $45b^{14}g^{8}:9b^{3}g^{7}=45:9b^{14-3}g^{8-7}=5b^{11}g$

F) $-5c^{26}h^{19}:(-5c^{12}h^{4})=-5:-5c^{26-12}h^{19-4}=c^{14}h^{15}$

G) $-42n^{8}q^{10}:14nq^{10}=-42:14n^{8-1}q^{10-10}=-3n^{7}q^{0}=-3n^{7}.1=-3n^{7}$

H) $-3q^{5}r^{6}:(-3q^{5}r^{6})=-3:(-3)q^{5-5}r^{6-6}=q^{0}r^{0}=1.1=1$

I) $20d^{37}h^{52}:(-5d^{28}h^{48})=20:(-5)d^{37-28}h^{52-48}=-4d^{9}h^{4}$

J) $-18k^{26}l^{8}:6k^{22}l^{3}=-18:6k^{26-22}l^{8-3}=-3k^{4}l^{5}$

K) $60a^{6}b^{3}c^{9}:15a^{5}b^{2}c^{8}=60:15a^{6-5}b^{3-2}c^{9-8}=4a^{1}b^{1}c^{1}=4abc$

L) $32t^{9}u^{10}v^{11}:8t^{6}u^{4}v^{7}=32:8t^{9-6}u^{10-4}v^{11-7}=4t^{3}u^{6}v^{4}$

M)

$-99h^{14}m^{12}z^{17}:11h^{5}m^{11}z^{8}=-99:11h^{14-5}m^{12-11}z^{17-8}=-9h^{9}m^{1}z^{9}=-9h^{9}mz^{9}$

N) $7k^{3}w^{20}y:(-k^{2}w)=-7k^{3-2}w^{20-1}y=-7k^{1}w^{19}y=-7kw^{19}y$

O) $-12j^{6}m^{3}o^{9}:(-2j^{2}o^{2})=-12:(-2)j^{6-2}m^{3}o^{9-2}=6j^{4}m^{3}o^{7}$

P) $xy^{8}z^{9}:(-y^{5}z)=-xy^{8-5}z^{9-1}=-xy^{3}z^{8}$

Q) $-27h^{13}l^{7}:(-3h^{5})=-27:(-3)h^{13-5}l^{7}=9h^{8}l^{7}$

R) $40s^{21}w^{2}:(-10s^{21})=40:(-10)s^{21-21}w^{2}=-4s^{0}w^{2}=-4.1w^{2}=-4w^{2}$