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help pls asap

1.tell how the commutative and associative properties of addition can help you evaluate the expression.

2.1 + (5.8 - 4.1)


2.evaluate the expression
2.1 + (5.8 - 4.1)

Respuesta :

38571218

Answer:

2.1+5.8-4.1  

= 3.8

Step-by-step explanation:

2.1 + ( 5.8 - 4.1 )

Add 2.1 and 5.8 to get 7.9

7.9 - 4.1

subtract 4.1 from 7.9 to get 3.8

3.8

Factor

[tex]\frac{19}{5}[/tex] = 3[tex]\frac{4}{5}[/tex] = 3.8

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