You need to provide a picture
1 million is 1 x 10^6
1 billion is 1 x 10^9
1 trillion is 1 x 10^12
So 12 trillion miles is 12 x 10^12 which converts to 1.2 x 10^1 x 10^12 = 1.2 x 10^13
Of course it's possible, because it means that sintheta=-2/5 which satisfies this -1<=sintheta<=1
