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If the rational number x is equal to its inverse and y is equal to its inverse, then the value of the 2012 power of y + the 2013 power of x is A,0 B,1 C,-1 D,2
X equals its opposite number, y equals its reciprocal
X=0, y=±1 The reciprocal of 1 equals 1, the reciprocal of -1 equals -1
Y^2012+x^2013
=(±1)^2012+0^2013
=1+0
=1
Option B
How many zeros is the product of the 2008 power of 8 and the 2009 power of 25? What number? A math problem, this product has 4018 zeros (but not sure), but not knowing how many digits. How many zeros is the product of the 2008 power of 8 and the 2009 power of 25? What number? A math problem, the product is 4018 zeros (but not sure), but not sure how many.
The specific measures are as follows, but the number of figures is determined by the old man himself:
(8)2008*(25)2009=(8*25)2008*25=(200)2008*25=4*(2)2006*(10)4016*25=100*(2)2006*(10)4016=(22)006*(10)4018
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