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Mathematics 21 Online
OpenStudy (anonymous):

2 x (10 - 7)^2 + 4 =

OpenStudy (anonymous):

please help me

OpenStudy (anonymous):

start with the paranthesis

OpenStudy (anonymous):

how would you find the answer?

OpenStudy (anonymous):

ok so start with the paranthesis and so now its 3^2

OpenStudy (anonymous):

good according to pemdas,you should now do the exponent(power)

OpenStudy (anonymous):

ok then what would you do?

OpenStudy (anonymous):

then multiply and finally add...tell me your answer

OpenStudy (anonymous):

well we still have 3^2 what is that? is it 9?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

so the answer is now 2 x 9 + 4

OpenStudy (anonymous):

so 2 x9 is

OpenStudy (anonymous):

?

OpenStudy (anonymous):

18

OpenStudy (anonymous):

the 18 + 4?

OpenStudy (anonymous):

then

OpenStudy (anonymous):

18+4=?

OpenStudy (anonymous):

22

OpenStudy (anonymous):

very good

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