Wednesday, January 7, 2009

last two digits..

what are the last two digits of 9 raise to power 9 raise to power 9?

6 comments:

Mohit Vyas said...
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Mohit Vyas said...

is d ans 09?

monika b said...

no ds is nt..

swati said...

ans is 89

monika b said...

very gud swati...ans is 89....bt hwcm..

shaveta thakur said...

ans is 89
as cyclicity of 9 for the last two digits is 10
9,81,29,61,49,41,69,21,89,01
now ques remains wht we obtain as a remainder frm 9^9...so remainder cyclity is 2
we get remainder as 9.hence 9th no which is "89"
am i right?