evaluate the expression 8(2+1)^-4^
8(2+1)^48(3)^48(81)648
8(2+1)²-4²okpemdasparenthaees first2+1=3now we gots8(3)²-4²exponent before multiply3²=94²=16now we gots8(9)-16multiply8(9)=72now we gots72-16=56