(1) b4× b (2) x3× x2
(3) n4× n2 (4) y2× y2
(5) n × n4 (6) m4× m4
(7) 3b2× (−b2) (8) 2x × (−x)
(9) b × b3 (10) (−3n3) × (−2n3)
(11) (−3y) × (−4y2) (12) 4z × (−2z4)
(13) z4× z3× z3 (14) b × b4 × b4
(15) b2× b4× b4 (16) x2× x3× x4
(17) (−z) × (−4z4) × (−4z) (18) (−n4) × 4n4× (−3n2)
(19) (−2b) × b3× 3b (20) 3x3× (−3x) × (−x2)
(1) b4× b
b
5(2) x3× x2
x
5(3) n4× n2
n
6(4) y2× y2
y
4(5) n × n4
n
5(6) m4× m4
m
8(7) 3b2× (−b2)
− 3 b
4
(8) 2x × (−x)
− 2 x
2
(9) b × b3
b
4(10) (−3n3) × (−2n3)
6 n
6(11) (−3y) × (−4y2)
12 y
3(12) 4z × (−2z4)
− 8 z
5
(13) z4× z3× z3
z
10(14) b × b4 × b4
b
9(15) b2× b4× b4
b
10(16) x2× x3× x4
x
9(17) (−z) × (−4z4) × (−4z)
− 16 z
6
(18) (−n4) × 4n4× (−3n2)
12 n
10(19) (−2b) × b3× 3b
− 6 b
5
(20) 3x3× (−3x) × (−x2)
9 x
6(1) n × n2 (2) b4× b2
(3) n2× n4 (4) c3× c2
(5) x4 × x4 (6) n × n4
(7) (−2x2) × (−x2) (8) 4y2× (−3y2)
(9) 3m3× (−2m4) (10) (−b3) × 3b2
(11) (−y) × (−3y4) (12) 4y × (−y4)
(13) c2× c2× c2 (14) x2× x × x3
(15) n3× n × n2 (16) a4× a4× a2
(17) 2a4× (−4a2) × a (18) 4y3× (−2y) × (−2y2)
(19) a4× (−3a) × 3a2 (20) 4z4× 4z × (−4z)
(1) n × n2
n
3(2) b4× b2
b
6(3) n2× n4
n
6(4) c3× c2
c
5(5) x4 × x4
x
8(6) n × n4
n
5(7) (−2x2) × (−x2)
2 x
4(8) 4y2× (−3y2)
− 12 y
4
(9) 3m3× (−2m4)
− 6 m
7
(10) (−b3) × 3b2
− 3 b
5
(11) (−y) × (−3y4)
3 y
5(12) 4y × (−y4)
− 4 y
5
(13) c2× c2× c2
c
6(14) x2× x × x3
x
6(15) n3× n × n2
n
6(16) a4× a4× a2
a
10(17) 2a4× (−4a2) × a
− 8 a
7
(18) 4y3× (−2y) × (−2y2)
16 y
6(19) a4× (−3a) × 3a2
− 9 a
7
(20) 4z4× 4z × (−4z)
− 64 z
6
(1) n4× n (2) x2× x
(3) n2× n4 (4) z4× z3
(5) x × x2 (6) x × x
(7) (−4z4) × 2z2 (8) 4b3× (−2b3)
(9) (−3b3) × (−3b2) (10) 4a × (−3a4)
(11) (−2a) × a4 (12) 4y3× 4y
(13) b3× b × b4 (14) c4× c × c2
(15) b2× b2× b2 (16) c3× c4× c2
(17) 3y3× 4y3× (−4y4) (18) (−4n3) × 2n2× (−n4)
(19) (−4z3) × (−2z) × (−4z3) (20) (−4a3) × (−3a) × (−2a2)
(1) n4× n
n
5(2) x2× x
x
3(3) n2× n4
n
6(4) z4× z3
z
7(5) x × x2
x
3(6) x × x
x
2(7) (−4z4) × 2z2
− 8 z
6
(8) 4b3× (−2b3)
− 8 b
6
(9) (−3b3) × (−3b2)
9 b
5(10) 4a × (−3a4)
− 12 a
5
(11) (−2a) × a4
− 2 a
5
(12) 4y3× 4y
16 y
4(13) b3× b × b4
b
8(14) c4× c × c2
c
7(15) b2× b2× b2
b
6(16) c3× c4× c2
c
9(17) 3y3× 4y3× (−4y4)
− 48 y
10
(18) (−4n3) × 2n2× (−n4)
8 n
9(19) (−4z3) × (−2z) × (−4z3)
− 32 z
7
(20) (−4a3) × (−3a) × (−2a2)
− 24 a
6
(1) b × b3 (2) y4× y3
(3) n × n4 (4) m4× m2
(5) m3× m2 (6) n3× n3
(7) (−3c3) × 3c (8) b3× (−2b3)
(9) (−3a) × 3a3 (10) 3z × (−3z)
(11) 2x × (−3x2) (12) 2y × 2y2
(13) b × b3× b (14) b4× b3× b
(15) a4× a2× a2 (16) z × z × z
(17) c3× 3c2× (−4c3) (18) 4a2× 2a3× (−4a4)
(19) (−b4) × (−4b) × 3b (20) (−4a2) × 2a4× (−3a3)
(1) b × b3
b
4(2) y4× y3
y
7(3) n × n4
n
5(4) m4× m2
m
6(5) m3× m2
m
5(6) n3× n3
n
6(7) (−3c3) × 3c
− 9 c
4
(8) b3× (−2b3)
− 2 b
6
(9) (−3a) × 3a3
− 9 a
4
(10) 3z × (−3z)
− 9 z
2
(11) 2x × (−3x2)
− 6 x
3
(12) 2y × 2y2
4 y
3(13) b × b3× b
b
5(14) b4× b3× b
b
8(15) a4× a2× a2
a
8(16) z × z × z
z
3(17) c3× 3c2× (−4c3)
− 12 c
8
(18) 4a2× 2a3× (−4a4)
− 32 a
9
(19) (−b4) × (−4b) × 3b
12 b
6(20) (−4a2) × 2a4× (−3a3)
24 a
9(1) a4× a3 (2) y × y4
(3) m2× m4 (4) b2× b3
(5) x4 × x4 (6) b4× b4
(7) y4× 4y (8) (−3y) × 3y3
(9) n4× (−3n2) (10) (−4x) × 3x4
(11) c × 3c4 (12) 2n4× n4
(13) z × z2× z3 (14) x3× x2× x
(15) z3× z3× z4 (16) b3× b × b2
(17) 2n4× 2n × (−n) (18) (−b2) × 3b4× (−4b2)
(19) n3× 4n3× 2n2 (20) 2m2× (−m4) × 3m
(1) a4× a3
a
7(2) y × y4
y
5(3) m2× m4
m
6(4) b2× b3
b
5(5) x4 × x4
x
8(6) b4× b4
b
8(7) y4× 4y
4 y
5(8) (−3y) × 3y3
− 9 y
4
(9) n4× (−3n2)
− 3 n
6
(10) (−4x) × 3x4
− 12 x
5
(11) c × 3c4
3 c
5(12) 2n4× n4
2 n
8(13) z × z2× z3
z
6(14) x3× x2× x
x
6(15) z3× z3× z4
z
10(16) b3× b × b2
b
6(17) 2n4× 2n × (−n)
− 4 n
6
(18) (−b2) × 3b4× (−4b2)
12 b
8(19) n3× 4n3× 2n2
8 n
8(20) 2m2× (−m4) × 3m
− 6 m
7
(1) y × y3 (2) b4× b3
(3) n2× n3 (4) b3× b4
(5) z4× z (6) z3× z4
(7) 3x × x2 (8) (−3c4) × 2c
(9) (−4z2) × z4 (10) 3m × (−4m)
(11) (−2c3) × 3c4 (12) (−2m3) × 2m4
(13) n × n × n4 (14) b4× b3× b3
(15) a3× a × a3 (16) a4× a3× a
(17) 4m × (−3m) × 4m4 (18) 2b2× 3b3 × (−2b2)
(19) n × (−3n3) × (−2n3) (20) 4x × (−3x2) × 4x4
(1) y × y3
y
4(2) b4× b3
b
7(3) n2× n3
n
5(4) b3× b4
b
7(5) z4× z
z
5(6) z3× z4
z
7(7) 3x × x2
3 x
3(8) (−3c4) × 2c
− 6 c
5
(9) (−4z2) × z4
− 4 z
6
(10) 3m × (−4m)
− 12 m
2
(11) (−2c3) × 3c4
− 6 c
7
(12) (−2m3) × 2m4
− 4 m
7
(13) n × n × n4
n
6(14) b4× b3× b3
b
10(15) a3× a × a3
a
7(16) a4× a3× a
a
8(17) 4m × (−3m) × 4m4
− 48 m
6
(18) 2b2× 3b3 × (−2b2)
− 12 b
7
(19) n × (−3n3) × (−2n3)
6 n
7(20) 4x × (−3x2) × 4x4
− 48 x
7
(1) a × a4 (2) z3× z4
(3) c × c2 (4) c4× c
(5) a4× a4 (6) b × b3
(7) (−y3) × (−y) (8) (−4x2) × x4
(9) (−2n) × (−3n2) (10) a3× 3a2
(11) 3c4× 4c4 (12) 3b3× 4b2
(13) x4 × x × x3 (14) n × n × n
(15) m3× m4× m3 (16) b4× b4× b3
(17) (−4z4) × (−2z4) × (−4z2) (18) (−2m4) × (−m3) × 2m4
(19) (−2n4) × (−4n) × 4n3 (20) c3× (−2c2) × (−4c4)
(1) a × a4
a
5(2) z3× z4
z
7(3) c × c2
c
3(4) c4× c
c
5(5) a4× a4
a
8(6) b × b3
b
4(7) (−y3) × (−y)
y
4(8) (−4x2) × x4
− 4 x
6
(9) (−2n) × (−3n2)
6 n
3(10) a3× 3a2
3 a
5(11) 3c4× 4c4
12 c
8(12) 3b3× 4b2
12 b
5(13) x4 × x × x3
x
8(14) n × n × n
n
3(15) m3× m4× m3
m
10(16) b4× b4× b3
b
11(17) (−4z4) × (−2z4) × (−4z2)
− 32 z
10
(18) (−2m4) × (−m3) × 2m4
4 m
11(19) (−2n4) × (−4n) × 4n3
32 n
8(20) c3× (−2c2) × (−4c4)
8 c
9(1) a3× a4 (2) a2× a2
(3) x4 × x2 (4) n4× n2
(5) m2× m (6) n2× n
(7) z2× z4 (8) (−4n2) × 2n3
(9) (−2a) × (−3a) (10) b2× (−2b4)
(11) n4× (−4n) (12) 2y3× 3y4
(13) m3× m2× m2 (14) b4× b4× b
(15) x4 × x4× x4 (16) a4× a3× a
(17) 3y × y3× (−2y) (18) 4n4× 3n3× 3n2
(19) (−x4) × 4x × (−x2) (20) (−3z) × (−2z) × (−z2)
(1) a3× a4
a
7(2) a2× a2
a
4(3) x4 × x2
x
6(4) n4× n2
n
6(5) m2× m
m
3(6) n2× n
n
3(7) z2× z4
z
6(8) (−4n2) × 2n3
− 8 n
5
(9) (−2a) × (−3a)
6 a
2(10) b2× (−2b4)
− 2 b
6
(11) n4× (−4n)
− 4 n
5
(12) 2y3× 3y4
6 y
7(13) m3× m2× m2
m
7(14) b4× b4× b
b
9(15) x4 × x4× x4
x
12(16) a4× a3× a
a
8(17) 3y × y3× (−2y)
− 6 y
5
(18) 4n4× 3n3× 3n2
36 n
9(19) (−x4) × 4x × (−x2)
4 x
7(20) (−3z) × (−2z) × (−z2)
− 6 z
4
(1) n3× n4 (2) x × x4
(3) a × a3 (4) c2× c3
(5) c3× c3 (6) z4× z
(7) (−3x4) × 3x2 (8) (−2z2) × 4z4
(9) (−c2) × (−3c4) (10) (−2z2) × (−3z)
(11) 2c × (−3c) (12) (−a3) × 4a2
(13) m × m3× m (14) b4× b4× b4
(15) c4× c2× c4 (16) y3× y4× y2
(17) a3× 3a2× (−3a3) (18) a4× (−2a3) × (−2a3)
(19) 3z2× 3z × 2z3 (20) (−2x4) × (−2x) × (−4x2)
(1) n3× n4
n
7(2) x × x4
x
5(3) a × a3
a
4(4) c2× c3
c
5(5) c3× c3
c
6(6) z4× z
z
5(7) (−3x4) × 3x2
− 9 x
6
(8) (−2z2) × 4z4
− 8 z
6
(9) (−c2) × (−3c4)
3 c
6(10) (−2z2) × (−3z)
6 z
3(11) 2c × (−3c)
− 6 c
2
(12) (−a3) × 4a2
− 4 a
5
(13) m × m3× m
m
5(14) b4× b4× b4
b
12(15) c4× c2× c4
c
10(16) y3× y4× y2
y
9(17) a3× 3a2× (−3a3)
− 9 a
8
(18) a4× (−2a3) × (−2a3)
4 a
10(19) 3z2× 3z × 2z3
18 z
6(20) (−2x4) × (−2x) × (−4x2)
− 16 x
7
(1) x2 × x (2) b2× b2
(3) m3× m2 (4) n4× n2
(5) b2× b3 (6) b4× b3
(7) (−a4) × 3a2 (8) (−4x4) × (−x)
(9) (−3n) × n3 (10) 4m × (−2m4)
(11) z × (−2z3) (12) 3a3× (−4a4)
(13) n3× n4× n (14) c4× c4× c3
(15) b3× b4× b3 (16) a × a2× a2
(17) b × (−2b2) × (−3b2) (18) (−4a) × 2a × (−4a4)
(19) (−4c2) × c2× (−3c) (20) (−2c) × 4c4× 4c3
(1) x2 × x
x
3(2) b2× b2
b
4(3) m3× m2
m
5(4) n4× n2
n
6(5) b2× b3
b
5(6) b4× b3
b
7(7) (−a4) × 3a2
− 3 a
6
(8) (−4x4) × (−x)
4 x
5(9) (−3n) × n3
− 3 n
4
(10) 4m × (−2m4)
− 8 m
5
(11) z × (−2z3)
− 2 z
4
(12) 3a3× (−4a4)
− 12 a
7
(13) n3× n4× n
n
8(14) c4× c4× c3
c
11(15) b3× b4× b3
b
10(16) a × a2× a2
a
5(17) b × (−2b2) × (−3b2)
6 b
5(18) (−4a) × 2a × (−4a4)
32 a
6(19) (−4c2) × c2× (−3c)
12 c
5(20) (−2c) × 4c4× 4c3
− 32 c
8