math riddle problem thing...

PHiuR · Nov 6, 2003

number = 3^9999

what would the units digit be for the number?

Orsorum · Nov 6, 2003

HonkeyDonk · Nov 6, 2003

a lot.

PHiuR · Nov 7, 2003

nm it is 7.

Orsorum · Nov 7, 2003

Originally posted by: PHiuR
wouldnt it be 1...not 7?

The pattern of 3-9-7-1 repeats; divide 9999 by 4, you get 2499.75; the third term in the pattern is 7.

Or you could just plug 3^9999 into Maple.

RU482 · Nov 7, 2003

5.4378339511420862476775224306038e+4770 ??

according to MS calculator

Oh wait..
it equals INFINITY here

here it equals ERROR