Eksponen
Eksponen biasanya didefinisikan dengan banyak lipatan dan
banyak bidang kertas pada perkalian.
2N = K
AN = A x A x A ...
A = sebanyak N faktor
Pangkat
Bulat Negatif
A-n =
(1/A)n
= 1/A x
1/A x 1/A ... Sampai N kali
Latihan
1.) (-2)-3 . 24
2.) (1/5-3) . (1/2)3
3.) (2/3)-2 . (3/2)2
1.) (-2)-3 . 24
2.) (1/5-3) . (1/2)3
3.) (2/3)-2 . (3/2)2
1.) -2-3 = 1/-23
= 1/-8
=
16
(-2)-3 . 24 = 1/-8 x 16
= -2
2.) 1/5-3 = 1/1/53
2.) 1/5-3 = 1/1/53
= 53/1
= 125(1/2)3 = 1/2 x 1/2 x ½
= 1/8
(1/5-3)
. (1/2)3 = 125 x 1/8
=
15 x 5/8 3.) (2/3)-2 = 1/2/3 x 1/2/3
= 3/2 x 3/2
= 9/4
(3/2) = 3/2 x 3/2
=
9/4
(2/3)-2 . (3/2)2 = 9/4 x 9/4
=
81/16
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