A component under fatigue loading has a life of 0.3 million cycle under load P1 and 0.9 million cycle under load P2 (P2 < P1). If the component complete 0.15 million cycles under P1 and then load is reduced to P2, then the expected life left is _______ million cycles
1
0.75
2
0.56
3
0.60
4
0.45