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NikAS [45]
2 years ago
10

Rahal is adding the Epression below. -3+[(-7)+(-6)] First he rewrites the expression. [3+(-7)]+(6) Which number property did Ras

hal use to rewrite the expressio?
Mathematics
1 answer:
Anika [276]2 years ago
3 0

Note: The second expression must be [(-3)+(-7)]+(-6) instead of [3+(-7)]+(6)

Given:

The given expression is:

-3+[(-7)+(-6)]

Rahal rewrites the expression as:

[(-3)+(-7)]+(-6)

To find:

The property that Rahal use to rewrite the expression.

Solution:

According to the associative property of addition, if a, b and c are three real numbers, then

a+(b+c)=(a+b)+c

We have,

-3+[(-7)+(-6)]

Using the associative property of addition, we get

-3+[(-7)+(-6)]=[(-3)+(-7)]+(-6)

Therefore, the required property is associative property of addition.

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