Solution 1.3:1a
From Förberedande kurs i matematik 1
We calculate \displaystyle 2^{3} first and then \displaystyle 3^{2},
| \displaystyle \begin{align}
2^{3} &= 2\cdot 2\cdot 2 = 4\cdot 2 = 8\,,\\[5pt] 3^{2} &= 3\cdot 3=9\,\textrm{.} \end{align} |
Hence,
| \displaystyle 2^{3}\cdot 3^{2}=8\cdot 9=72\,. |
