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)a^5b      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

11pk²*4p³x=                     15x²y³*8x⁴y=    

3a*(-6)a²b=                       (-4)b^2*

(-5)c³k*5ck²⁼