1. 4x10-8
2.4x10-18
3.0x10-18
4.3x10-8
1. You must do
4x10=40 first (according to "B.O.D.M.A.S")
then - 8 which is 32
2. You must do
4x10=40 (again)
then - 18 which is 22
3. You must do
0x10=0
then - 18 which is -18 (Aka negative 18)
4.You must do
3x10=30
then - 8 which is 22
Lets review what we have:
1. 32
2. 22
3. -18
4. 22
The biggest would be 1