Answer:
1. 169 2. 163 3. 54 4. 221 5. 6 6. 7 7. 11 8. 9
Step-by-step explanation:
Remember the Order of Operations:
Parentheses
Exponents
Multiplication
Division
Addition
Subtract
*But always solve from left to right so there can be times where you either have to do division before multiplication or subtraction before addition
1. 14 + 18 ÷ 2 x 18 – 7
14+9 x 18-7
14+162-7
176-7
169
2. 15 x 10 + 12 ÷ 3 + 9
150+12÷3+9
150+4+9
154+9
163
3. 8 x 4 + 9 – 9 + 18
36+9-9+18
45-9+18
36+18
54
4. 2 - 1 + 5 x 4 x 11
2-1+20x11
2-1+220
1+220
221
5. 60 – 9 x 8 ÷ 8 x 6
60-72÷ 8 x 6
60-9x6
60-54
6
6. (10 ÷ 5)3 + 100 – 9 x 11
(2)3+100-9x11
6+100-9x11
6+100-99
106-99
7
7. 3 x 8 x 2 – 42 + 5
24x2-42+5
48-42+5
6+5
11
8. 14 ÷ 2 -1 + 3
7-1+3
6+3
9
