Question

3² - √49 + 2.(10-8)³ :​

Answer 1

${3}^{2} - \sqrt{49} + 2 \times {(10 - 8)}^{3} = \\ {3}^{2} - 7 + 2 \times {(10 - 8)}^{3} = \\ {3}^{2} - 7 + 2 \times {2}^{3} = \\ 9 - 7 + 2 \times 8 = \\ 9 - 7 + 16 = \\ 2 + 16 = \\ 18$