41.
a) -6ab b)3bc c)(-8)cp g)-p
d)k e)0 f)-2,5 h)18abx
42.
a) b4 b)a5 c)c7 d)k9
43.
a)a2b b)k2p4 c)3a2b2 d)7x3y4
e)a3b2 f)323a3 g)a5 h)a10
44.
a)a5 b)b5 c)k8 d)x15
e)a5b f) k7n7 g)2x5y6 h)3a20b4
45.
a) 3ab*2a=3*2a*a*b=6*a2b b)8bc3*bc=24*a*a2b c)9ce2*6ce=54*c*c*e3
d)7e2k*6e3k=42*e5*k2 e)4ap2*5a2p=20*ap2* ap2 f)6kp*7k2p2=42*k3*p3
3a2bc *6abc=18*a3*b2*c2 4bc2e* 6b2ce=24b3*c3*e*e 7c2ek*5c2e4k=35c4*e*k*k
6e2k5p*8e3k4p=48*e5*k9*p 4k6p2x3*4k2p4x4=16*k8*p6x7 9px2y3*4p4x3y2=36p*p*x5*y5
46.
11pk2*4p3x= 15x2y3*8x4y=
3a*(-6)a2b= (-4)b2*
(-5)c3k*5ck2=
49.
(xy)2=x2*y2 (ab)2=a2*b2 (2x)3=2*2*2 (3y)2=32*y2
(2abc)1=21*a1*b1*c1 (3muk)2= * * (13xy)9= * (17cd)20= *
50.
( )2=a4
(4 )=4c2