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how many 0s are there in end of product of 1st 100 multples of10??????????????pls EXPLAIN!!!!

how many 0s are there in end of product of 1st 100 multples of10??????????????pls EXPLAIN!!!!

Grade:9

1 Answers

sushant singh
66 Points
10 years ago

hey shivam

for first 100 multiples of 10 you have to check how many 2 ,3 and 4 digit number comes 

thus , for 2 digit multiples i.e. 10.20,30,40,50,60,70,80,90 = 9 

 similarly for 3 digits = 81  + (2x9) = 99 (because hundreds have 2 zeroes)

 and a 4 digit number = 1 which is 1000(last number)

Thus ,taking them all for the zeroes  you can calculate now = 9 + 99 + 3 = 111..Answer

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