Question 323131
(2 x 10 to power of negative 5)y = 1.2 x 10 to power of 9 
y*2E-5 = 1.2E9
y = 1.2E9/2E-5 = 0.6E14
y = 6E13
or, less conveniently,
{{{y = 6*10^13}}}