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Jet001 [13]
3 years ago
12

Lia wants to find the sum of 17, 51, 10 and 13. Show two different ways that Lia could find the sum of these numbers.

Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
5 0
Since addition is commutative, she can add anyway she wants.
(17+51)+(10+13)
(51+10)+(17+13)
Hope this helps. 
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The operation between a rational and a irrational number that results in a rational number is a multiplication, hence the expression ab could represent a rational number.

<h3>What are rational and irrational numbers?</h3>

If a number can be represented by a fraction, it is rational, otherwise, it is irrational.

The addition/subtraction of a rational and an irrational numbers is irrational, while the multiplication is rational, hence the expression ab could represent a rational number.

More can be learned about rational numbers at brainly.com/question/10814303

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Thirty children from an after-school club went to the matinee. This is 20% of the children in the club. How many children are in
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<h2>C)150 </h2>

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Andru [333]

Answer:

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Step-by-step explanation:

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Then we simplify:

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