Exponential notation

1) 790.2 = x10
2) 0.00000269 = x10
3) 432,506 = x10
4) 0.00900 = x10
5) 1,582,000,000,000 = x10
6) 84,000,000 = x10
7) 0.00000175 = x10
8) 56,000 = x10
9) 918,300 = x10
10) 4861x104 = x10
11) 0.00378x102 = x10
12) 400x10-3 = x10
13) 0.00539x10-4 = x10
14) 100.4x10-1 = x10