Evaluate each expression. 7) (-7) + (-10) – 5 +2 8) (-9) + 4 + (-8) – (-7)

8) (-6) – (2 x 4) – (-1) 10) (-8) + (-4 ÷ -4) – 8

Please check the explanation.

Step-by-step explanation:

Solving the expressions

7)

given the expression

so

8)

so

9)

so

Calculate within parentheses

10)

solving

7! = 7×6×5×4×3×2

3! = 3× 2

as 7! is multiple of 3! because 7! contains 3! that is 3× 2 as factor

so 7! /(3! ) = 7× 6× 5× 4

= 42 × 20

= 840

its b) 840✌✌✌

dhruv⭐

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