Question

find the answer of chapter exponent and power​

Answer 1

$good \: \: morning \: \: \\ \\ 1) \\ \\ \\ (25) {}^{x} = (125) {}^{y} \\ \\ \\ (5) {}^{2x} = (5) {}^{3y} \\ \\ \\ now \: compare \: powers \: of \: 5 \: \: we \: \: get \: \\ \\ \\ 2x = 3y \\ \\ \\ x \div y = 3 \div 2 \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ 2) \\ \\ \\ 3 {}^{n} (6 + 7 \div 3) \\ - - - - - - \\ 3 {}^{n} (9 - 2 \div 3) \\ \\ \\ = > \\ \\ \\ 25 \div 3 \\ - - - \\ 25 \div 3 \\ \\ = 1$