= 60.000 × 31.536.000 detik
= 1.892.160.000.000 detik
Jadi notasi ilmiah dari 60.000 tahun ke detik adalah 1,89216 × 10¹² detik.
Nomor 10
a. -8 × 2⁶
= -1 × 8 × 2⁶
= -1 × 2³ × 2⁶
= -1 × 2³⁺⁶
= -1 × 2⁹
= -2⁹
= -512
b. 5⁴ × 50
= 5⁴ × 25 × 2
= 5⁴ × 5² × 2
= 5⁴⁺² × 2
= 5⁶ × 2
= 15.625 × 2
= 31.250
c. 16/2⁴
= 2⁴/2⁴
= 2⁴⁻⁴
= 2⁰
= 1
d. 98/7³
= (49 × 2)/7³
= (7² × 2)/7³
= 2 × 7²⁻³
= 2 × 7⁻¹
= 2 × 1/7
= 2/7