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Gnoma [55]
4 years ago
12

Hello i need urgent help whith this expression 16 • [(4+8)÷4]

Mathematics
2 answers:
Anika [276]4 years ago
3 0

Here you have two sets of parentheses. Order of operations rules (PEMDAS) require that you perform any operations that are presented within parentheses first. Mult and div come next, and then any addition and/or subtraction.

We must perform the addition 4+8 first; the correct outcome is 12. Then we have:

16 • [(12)÷4]

We must perform the operation inside brackets first:

16*[3] = 48 (answer)


DanielleElmas [232]4 years ago
3 0

16 • [(4+8):4]

You first calculate 4+8 and it’s 12

Then you write it again like this:

16 • 12 : 4 because you already calculated 4+8.

Now you do 12 : 4 and it’s 3

16 • 3 =48

Answer : 48

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