Question

9. a = 1^1 * 2^2 * 3^3 * 4^4 * 5^5 * ..10^10. How many zeroes will be there at the end of a ?

Answer 1

Answer:

4 zeros

Step-by-step explanation:

Since for 10*10 = 2 zeroes and for 5*5*4 another 2 zeroes