Question

(-2*3/4-3/8)*160.000000000

Answer 1

(-2 * 3/4 - 3/8) = (-6/4 - 3/8) = (-12/8 - 3/8 ) = -15/8
- 15/8 * 160000000000 = - 30000000000 = - 3 *10^11