selesaikan soal berikut

1) 3^5×9^2×2^-4×8^3×4^-5 = 3^5×3^4×2^-4×2^9×2^-10 =3^9×2^-5 =3^9/2^5 =19683/32 =615,09 2) a^6×b^-2×(a×b)^4×3b^2 =a^6×b^-2×a^4×b^4×3b^2 =a^10×3b^4 3) 5^3×(3×5)^2×25^-3×9^2 =5^3×3^2×5^2×25^-3×9^2 =3^6×5^-1 =3^6/5 =729/5 = 145,8