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horrorfan [7]
3 years ago
14

40÷{19−1+(6÷4−1)} PEMDAS form

Mathematics
1 answer:
Verdich [7]3 years ago
5 0

Answer & Step-by-step explanation:

PEMDAS:

Parentheses

Exponents

Multiplication and Division left to right

Addition and Subtraction left to right

We have two forms of grouping in the expression. Do the inner-most one first, still following PEMDAS within the grouping symbol:

Simplify division:

6/4=1.5\\1.5-1=0.5\\

Re-insert:

40/(19-1+0.5)

Simplify subtraction and addition within parentheses:

19-1+0.5\\18+0.5\\18.5

Re-insert:

40/18.5

Simplify division:

40/18.5=2.162162162162162162.....

:Done

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The complete question in the attached figure

we know that
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