Answer:
1.) 4 x [ 23 + ( 15 ÷ 3)² - 13 ] Divide 15 by 3 to get 5.
4 x [ 23 + ( 5 )² - 13 ] Calculate 5 to the power of 2 and get 25.
4 x [ 23 + ( 25 ) - 13 ] Add 23 and 25 to get 48.
4 x [ 48 - 13 ] Subtract 13 from 48 to get 35
4 x [ 35 ] Multiply 4 and 35 to get 140.
140
Answer: 140
2.) 12 + [ 15 x ( 21 ÷ 7 ) - 2³ ] - 3 Divide 21 by 7 to get 3.
12 + [ 15 x ( 3 ) - 2³ ] - 3 Multiply 15 and 3 to get 45.
12 + [ 15 x ( 3 ) - 8 ] - 3 Calculate 2 to the power of 3 and get 8.
12 + [ 45 - 8 ] - 3 Subtract 8 from 45 to get 37.
12 + [ 37 ] - 3 Add 12 and 37 to get 49.
49 - 3 Subtract 3 from 49 to get 46.
46
Answer: 46
Step-by-step explanation:
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