Question

In a school ,on the first day 1 student was present, on the 2 day 2 student was present,on the 3 day 4 student was present , on the 4 day 8 student was present.how many students would be there on 9 th day

Answer 1

512 because 2 power of 0=1
2 power of 1=1
,,,,,,,,,,,,,,,,,,,,, 2=4
,,,,,,,,,,,,,,,,,,,,, 3=8 this continues.....
then 2 power of 9=512 students

Answer 2

here is your answer

on first day no of students present = 2^0=1 students
second day = 2^1=2 student
3rd day = 2^2 = 4 students
4th day = 2^3 = 8 students
5th day = 2^4 = 16 students
6th day = 2^5 = 32 students
7th day= 2^6 = 64 students
8th day = 2^7 = 128students
9th day = 2^8 = 256 students

hope this helps you
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