B. Enclose in parentheses the expressions you need to do first. Then evaluate each expression. (GEMDAS?)
1. 15 + 30 ÷ 6 + 8 = ____
2. 20 - 9 + 7 × 3 = ____
3. 5 × 9 - 5 + 3 = ____
4. 12 + 40 - 9 + 7² = ____
5. 42 ÷ 6 × 7 + 3 = ____
6. 6 + 9 - 8 - 5 + 11 = ____
7. 48 ÷ 6 - 4 × 2 + 35 = ____
8. 7 + 12 ÷ 6 × 5= ____
9. 72 ÷ 8 × 3 + 8² - 50 = ____
10. 28 - 5 + 24 ÷ 8 + 2⁵ - 16 = ____
Answers & Comments
ANSWER//EXPLANATION :
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Answer:
1.)28
2.)32
3.)43
4.)92
5.)52
6.)13
7.)35
8.)17
9.)41
10.)42