Question

There are 30 students in classroom, first student has 1 pen, second has two pens third has 4 pens calculate pens at 30th student

Answer 1

Answer:

536 , 870 , 912 pens

Step-by-step explanation:

1*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2*2=536,870,912