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3 years ago

11

Simplify each expressions: a) -72÷8+(-6)-2 b) -4+(-32)÷(-4×5)

1 answer:

viktelen [127]3 years ago

3 0

$\bf -72\div 8+(-6)-2\implies \stackrel{\mathbb{PEMDAS}}{-72\div 8-6-2}\implies -9-6-2
\\\\\\
-15-2\implies -17\\\\
-------------------------------\\\\
-4+(-32)\div(-4\times 5)\implies \stackrel{\mathbb{PEMDAS}}{-4+(-32)\div(-20)}
\\\\\\
-4+1.6\implies -2.4$

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