Jawaban:
a. 5+3 x 2⁴ = 5 + 3 x 16
= 5 x 48
= 53
b. 1/2(6³ – 4²) = 1/2 ( 216 – 16)
= 1/2 ( 200)
= 100
c. 8+ 3 x (-3)⁴ = 8 + 3 x 81
= 8 + 243
= 251
d. (1/4)4 x (-1/3)2 = 1/256 x 1/9
= 1/2304
e. (1/4)⁴ : -(1/3)² = 1/256 : 1/9
= 1/256 x 9/1
= 9/256
8. Tentukan nilai x pada persamaan matematika di bawah ini
a. 7ˣ = 343
b. 2ˣ = 64
c. 10ˣ = 10.000
d. 5ˣ = 625
Jawaban:
a. 7ˣ =343
7ˣ = 7³
x = 3