Question

Simplify each expression.

1:4+6(8)
2:2.7+3.6×4.5
3:17-[(3+2)×2]
4:4×3^2+2
5:6×(3+2)÷15
6:40÷5(2)
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Answer 1

1. 80

2. 18.9

3. 7

4. 146

5. 2

6. 4

Explanation:

1. 6+4=10

10×8=80

2. 3.6×4.5= 16.2

16.2+2.7= 18.9

3. 3+2=5

5×2= 10

17-10=7

4. 4×3=12^2

12×12=144

144+2= 146

5. 3+2=5

5×6=30

30÷15=2

6. 5×2= 10

40÷10=4