if you look on at this.
3^2=9 3^1=3 3^0=1
it's dividing by 3 every time so the answer for 3^0 =1
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yes, any number to the power of zero is one
x = 1
The Value Of 130 = 1 According To The III Identity Anything To The Power Of Zero Is Equal To One. Examples:- 1) WikiAnswers0 = 1 2) 767890 = 1 3) √20 = 1 Regards, Saad-Imad
1x1x1
x4 -8x2 - 9 =0 Factorise = (x2+1)(x2-9)=0 x2+1 =0 so x is square root of -1 which is impossible. the other equation is (x+3)(x-3) = 0 here x is equal to +3 or -3. The zero in this question means that the LHS if equal to the RHS which is zero. You are interested in working out x.