Explicação passo a passo:
[tex]\frac{2^{48}+4^{22}-2^{46}}{2.8^{15}}[/tex]
[tex]\frac{2^{48}+2^{23}-2^{46}}{2^{18}}[/tex]
[tex]\frac{2^{48-18}+2^{23-18}-2^{46-18}}{2}}[/tex]
[tex]\frac{2^{30}-2^{28}+2^{5}}{2}}[/tex]
[tex]\frac{1073741824-268435456+32}{2}[/tex]
[tex]\frac{805306400}{2}[/tex]
[tex]402653200[/tex]
[tex](4a)^{-1}[/tex]
[tex]\frac{1}{4\cdot \:402653200}[/tex]
[tex]\frac{1}{1610612800}[/tex]
