Simplify (2times105)+(3times105)(2 \\times 10^5) + (3 \\times 10^5)(2times105)+(3times105).
6times1056 \\times 10^56times105
5times10255 \\times 10^{25}5times1025
5times1055 \\times 10^55times105
5times10105 \\times 10^{10}5times1010