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3 years ago

14

Explain how the commutative property of addition,the Associative property of addition and mental math can help you find 75.2+(57

.376+24.8). What is the sum

2 answers:

4vir4ik [10]3 years ago

7 0

Answer: The sum of 75.2+(57.376+24.8) is 157.376.

Explanation:

The commutative property of addition states that,

$a+b=b+a$

The associative property of addition states that,

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

The given expression is 75.2+(57.376+24.8).

First use commutative property of addition in the parenthesis.

$75.2+(57.376+24.8)=75.2+(24.8+57.376)$

Now use associative property of addition.

$75.2+(24.8+57.376)=(75.2+24.8)+57.376$

Now simplify the expression,

$(75.2+24.8)+57.376=100+57.376$

$(75.2+24.8)+57.376=157.376$

Therefore, the sum of 75.2+(57.376+24.8) is 157.376.

galina1969 [7]3 years ago

5 0

Answer:

157.376

Step-by-step explanation:

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