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Problem Solving (PS) | Re: If 73! has 16 zeroes at the end, how many zeroes will 80!

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emmak wrote:

If 73! has 16 zeroes at the end, how many zeroes will 80! have at the end?

A. 16
B. 17
C. 18
D. 19
E. 20

\(\frac{80}{5} = 16\)
\(\frac{16}{5} = 3\)

Hence total number of zeroes will 80! have is 19 , Answer must be (D)

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