emsoccer325
emsoccer325
08-05-2015
Mathematics
contestada
3.1 × 22 + 6 ÷ 2 - (3.9 + 3.3)
Respuesta :
iGreen
iGreen
08-05-2015
[tex]\sf3.1\times22+6\div2-(3.9+3.3)[/tex]
PEMDAS, parenthesis first:
[tex]\sf3.1\times22+6\div2-7.2[/tex]
Now multiply:
[tex]\sf68.2+6\div2-7.2[/tex]
Divide:
[tex]\sf68.2+3-7.2[/tex]
Add:
[tex]\sf71.2-7.2[/tex]
Subtract:
[tex]\sf64[/tex]
Answer Link
ReahCharlotte
ReahCharlotte
08-05-2015
You have to use PEMDAS which is Parentheses, Exponents, Multiplication, Division, Addition, Subtraction. The answer would be 29.9.
Answer Link
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