3x10^-1 = 0.31x10^-2 = 0.015x10^-4 = 0.0005
Adding them together:
0.3 + 0.01 + 0.0005 = 0.3105
Therefore, the sum is 0.3105.
3x10^-1 = 0.3
1x10^-2 = 0.01
5x10^-4 = 0.0005
Adding them together:
0.3 + 0.01 + 0.0005 = 0.3105
Therefore, the sum is 0.3105.