Easy!!!

Number Theory Level 1

Find the last digit of the following number:

2 1 2 3 4 5 6 7 8 9 = ? \large\ 2^{1^{2^{3^{4^{5^{6^{7^{8^{9}}}}}}}}}= \, ?


The answer is 2.

Shubhang Mundra by Shubhang Mundra , 20, India

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1 solution

Shubhang Mundra
Jan 6, 2016

The answer would be 2 ,because anything raise to power 1 is the number itself.

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correct ,i also did it like this :)

saptarshi sen - 5 years, 5 months ago

But what about the other numbers?

Vaibhav Basantani - 5 years, 5 months ago

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1 to power anything is 1

Shubhang Mundra - 5 years, 5 months ago

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