bentuk sederhana dari 2-² - 2-³

2^-2 - 2^-3 = 1/2^2 - 1/2^3 = 1/4 - 1/8 = 1/8

[tex] {2}^{ - 2} - {2}^{ - 3} \\ = \frac{1}{ {2}^{2} } - \frac{1}{ {2}^{3} } \\ = \frac{1}{4} - \frac{1}{8} \\ = \frac{2}{8} - \frac{1}{8} \\ = \frac{1}{8} \\ = \frac{1}{ {2}^{3} } \\ = {2}^{ - 3} [/tex]