Solution 1.3:3b
From Förberedande kurs i matematik 1
If we divide 243 successively by 3, we see that
| \displaystyle \begin{align}
243 &= 3\cdot 81 = 3\cdot 3\cdot 27 = 3\cdot 3\cdot 3\cdot 9 \\[5pt] &= 3\cdot 3\cdot 3\cdot 3\cdot 3 = 3^{5}\,\textrm{.} \end{align} |
