Aktiviteter 7

7.1)

Regn ut og skriv svaret som potens(er).

a)
1215 1214
b)
x7 ⋅ x4 x ⋅ x2 ⋅ x3
c)
23 33 35 2−2
d)
c c2 ⋅ c−3 ⋅ c

a)
1215 1214
b)
x7 ⋅ x4 x ⋅ x2 ⋅ x3
c)
23 33 35 2−2
d)
c c2 ⋅ c−3 ⋅ c

7.2)

Regn ut og skriv svaret som potens dersom det er mulig.

a)
a2 ⋅(a4) 2 (a2)3
b)
a2 ⋅ b6 ⋅ a5 a4 ⋅ b3
c)
(a ⋅ b)4 ⋅ a3 a2 ⋅ b3
d)
a0 ⋅ a4 ⋅(a3) 2 a5 ⋅ b0
e)
a12 ⋅ a−3 a7 ⋅ a−4
f)
a3 ⋅(a−2) −3 a−5
g)
(a ⋅ b)2 ⋅ a5 a ⋅ b−4
h)
(3a)3 ⋅(a−2) 2 a−2

7.3)

Skriv så enkelt som mulig.

a)
(x y )6
b)
(1 3) 3
c)
(5x 2 ) 2
d)
(3x 2y )3
e)
(2 7) 2
f)
( 1 4a)3
g)
(2g 3p)4
h)
( 5 10) 4

a)
(x y )6
b)
(1 3) 3
c)
(5x 2 ) 2
d)
(3x 2y )3
e)
(2 7) 2
f)
( 1 4a)3
g)
(2g 3p)4
h)
( 5 10) 4

7.4)

Skriv så enkelt som mulig.

a)
( x4 2y5 ) 3
b)
x2 ⋅ 3y x
c)
x4 y7 (x2 y3 ) 2
d)
1 12n3 ⋅(6x2) 2 b9

a)
( x4 2y5 ) 3
b)
x2 ⋅ 3y x
c)
x4 y7 (x2 y3 ) 2
d)
1 12n3 ⋅(6x2) 2 b9

7.5)

Skriv så enkelt som mulig.

a)
45 4−6
b)
(2x 3 ) −2
c)
(3a)3 1−2
d)
d (−2)−2
e)
( 42 (9k)2 ) −1

a)
45 4−6
b)
(2x 3 ) −2
c)
(3a)3 1−2
d)
d (−2)−2
e)
( 42 (9k)2 ) −1

7.6)

Skriv så enkelt som mulig.

a)
6x5 (xy2) −1 3xy−4
b)
(8x y4 ) −2 ⋅(4x5) 2
c)
(3y6) 3 ⋅ 10x2 y12
d)
5 ⋅ 4x3 (5x)4
e)
(6x)4 9a5 ⋅(3a3) 2 36x4
f)
8−1a (bc3) 3x (ab)5

7.7)

Skriv så enkelt som mulig.

a)
6x 6y
b)
74 ⋅ 73 7cd
c)
(5x)k ⋅( 5 x2 ) b

a)
6x 6y
b)
74 ⋅ 73 7cd
c)
(5x)k ⋅( 5 x2 ) b

Du kan finne fasit her.