a * 10
a
a * 10
a * 0.01
a * 0.9998
a
a * 10
a * 0.1
a * 3e-10
a * 10
a * 1.0e+18
a * 96489.9839
a * 1e-15
a * 3e-10
a * 3e-10
a * 1000000000
a * 0.7958
a * 1000
a * 1000000
a * 0.000001
a * 0.001
a * 0.00000001
a * 1e-12
a * 1.0e+15
a * 3e-10
a * 1.0e+12