Question

calculati.3la puterea5×3 la puterea7÷3la puterea9-(2la puterea6)la puterea3÷(2la puterea4)la puterea4

Answer 1

${3}^{5} \times {3}^{7} \div {3}^{9} - ({ {2}^{6} })^{3} \div ({ {2}^{4} })^{4} = {3}^{12} \div {3}^{9} - {2}^{18} \div {2}^{16} = {3}^{3} - {2}^{2} = 27 - 4 = 23$