Question

$${ 9999999999999 }^{ 2 } +111111111111111111111$$

Answer

$$9.999999999998*10^25+111111111111111111111$$

Solution


Simplify  \({9999999999999}^{2}\)  to  \(10.000000\times {10}^{25}\).
\[10.000000\times {10}^{25}+111111111111111111111\]