Please can you work this out ( your supposed to use a calculator but mine is broken)

Answer:
[tex](5.4 \times {10}^{5} ) + (5.3 \times {10}^{6}) \\ (0.54 \times {10}^{6} ) + (5.3 \times {10}^{6} ) \\ = 5.84\times {10}^{6} \\ = 5840000[/tex]
I hope I helped you^_^