Question

m = cu 2 la puterea 60 × 7 la puterea 90 × 3 la puterea 30=

Answer 1

${2}^{60} \times {7}^{90} \times {3}^{30} = \\ = {( {2}^{2})}^{30} \times ( { {7}^{3} })^{30} \times {3}^{30} \\ = {({2}^{2} \times {7}^{3} \times 3)}^{30} \\ = { (4 \times 21 \times 3)}^{30} \\ = {252}^{30}$