1.7 Lösning 7a
Från Mathonline
\[ 8^2 \cdot 4^3 \, = \, (2^3)^2 \cdot (2^2)^3 \, = \, 2^{3 \cdot 2} \cdot 2^{2 \cdot 3} \, = \, 2^6 \cdot 2^6 \, = \, 2^{6+6} \, = \, 2^{12} \]
\[ 8^2 \cdot 4^3 \, = \, (2^3)^2 \cdot (2^2)^3 \, = \, 2^{3 \cdot 2} \cdot 2^{2 \cdot 3} \, = \, 2^6 \cdot 2^6 \, = \, 2^{6+6} \, = \, 2^{12} \]