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Lina20 [59]
3 years ago
12

What is the value of the expression shown below? 8 + (7 + 1) 2 ÷ 4 ⋅ 2

Mathematics
1 answer:
Leni [432]3 years ago
6 0
The answer is 10

8+(8)2÷4·2    
8+16÷4·2    4·2=8 then 16÷8       
8+2=10

just use PEMDAS

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Write the doubles plus one fact for 7+7.
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Answer:

7 + 8 = 7 + 7 + 1.

Step-by-step explanation:

We know that, 'double plus one facts' is used to make the addition of numbers easy.

For e.g. we have 8 + 9 = 17. This addition can also be done as 8 + 8 + 1 = 17 i.e. we write first term twice and add 1 to get the result.

Hence, we give the name to this type of addition as 'double plus one'.

Now, we have to use this fact for 7 + 7.

So, we consider 7 + 8 = 15.

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Hence, the double plus one facts for 7 + 7 is 7 + 8 = 7 + 7 + 1.

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