Question

Find the unit digit of N=17^27!^37! Select one: a. 9 b. 1 c. 7 d. 3

Answer 1

D) 3 is the answer
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Answer 2

The question given here is to:

Find the unit digit of N=17^27!^37!

Select one: a. 9 b. 1 c. 7 d. 3

Unit Digit means:

The digit in a number's place one is known as the units digit.

i.e. It is the digit that comes last in the number. For instance, the units digit for 151 is 1 and for 37 it is 7.

Here they said to find the unit digit of

17*27*37

To find the unit digit we have to multiply the given digits

17*27*37

= 459(17*27)

= 459*37

= 16,983

The total after multiplying 17*27*37 is 16,983

Therefore the unit digit of 17*27*37 is 3

So the correct answer is option d.3

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