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29-03-2016
Mathematics

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13+26-[(2.8×5)÷7] what is the answer

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29-03-2016

PEMDAS
order of operations
parenthasees
exonents
mulitplication or division whichever comes first
addition or subtracton whichever comes first

parenthasees inner first
innermost is 2.8 times 5
2.8 times 5=14

then we have
13+26-[(14)/7]
division withint the parenthasees
14/7=2

now we have
13+26-[2]
addition
13+26=39

now we have
39-2
37

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