All the 2- digit numbers from 19 to 93 are arranged consecutively to form a number N = 1920212223...90919293.
What is the largest power of 3, which divides N?
Answers
Answered by
5
Answer:
add numbers 19 ,20 21 till 93. (a = 19 d =1 n= 75) so (19 +93)*75/2=4200. and its only divisible by 3 . So the largest power is 1.
Answered by
4
Answer:
add numbers 19 ,20 21 till 93. (a = 19 d =1 n= 75) so (19 +93)*75/2=4200. and its only divisible by 3 . So the largest power is 1.
Similar questions