Question

Find the number of zeroes at end of the product of 15! and 25!
Select one
O a. 9
O .8
c. 15
d. 18​

Answer 1

Answer:

15

Step-by-step explanation:

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Answer 2

a. 9

The number of zeroes at end of the product of 15! and 25! is 9.

Given:

The two numbers 15! and 25!

To find:

The number of zeroes at end of the product of 15! and 25!

Step-by-step explanation:

Here, 15! = 1 307 674 368 000

and 25! = 15 511 210 043 330 985 984 000 000

There are three 0s at end of 15! and six 0s at end of 25!

So, when they are multiplied, the number of zeroes at end of 15! × 25! be

(3 + 6) = 9.

Note:

The last non-zero digits in 15! and 25! are 8 and 4 respectively. Their product (8 × 4) = 32, not ending with 0.

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