Look at each expression.Decide what operation should be done first,then solve for the answer.

Answer:
1.
[tex](9 + 4) \times ( {2}^{3} - 3) \\ (13) \times (8 - 3) \\ (13) \times (5) \\ = 65[/tex]
2.
[tex](27 \div 3) \times {5}^{2} + 12 \\ (9) \times 25 + 12 \\ 225 + 12 \\ = 237[/tex]
3.
[tex] {10}^{2} - ( {3}^{2} + {4}^{2}) \times {2}^{2} \\ 100 - (9 + 16) \times 4 \\ 100 - 25 \times 4 \\ 100 - 100 = 0 [/tex]
4.
[tex]6 \times (2 \times 7 + {5}^{2} ) \\ 6 \times (2 \times 7 + 25) \\ 6 \times (14 + 25) \\ 6 \times (39) \\ = 234[/tex]
5.
[tex] {(15 - 3)}^{3} \div {(8 + 2)}^{2} \\ {(12)}^{3} \div {(10)}^{2} \\ 1728 \div 100 \\ = 17.28[/tex]