Express the following in scientific notation, for example 8.356 x10-9 or 1.3 x105

1) 6 000 000 000 000 000 000 000.0 6 x 10^-22

2) 547 000.0 5 .47 x 10^-4

3) 3 507 000 000.0 3.507 x 10^-07

4) 0.00090674 9.0674 x 10^-08

5) 0.000000049704 4.9704x 10 ^-12

those are the answers i did