marrisobell
marrisobell
05-04-2017
Mathematics
contestada
so for number 21? so sorry
Respuesta :
Аноним
Аноним
05-04-2017
Order of Operations (PEMDAS)
Parenthesis-Exponents-Multiplication-Division-Addition-Subtraction
(6 x 3 -12)^2 / 9+7
(18-12)^2 / 9+7
6^2 / 9+7
36 / 9 + 7
4 + 7
11
11 is your answer.
Hope this helps
Answer Link
MooQuan
MooQuan
05-04-2017
(6*3-12)^2/9+7=
(18-12)^2/16=
6^2/16=
36/16=
2.25
Answer Link
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