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Mathematics 15 Online
OpenStudy (anonymous):

will give medal What is the value of the expression? 4 16 – 4 + (160 ÷ 20)

OpenStudy (nikato):

is it just 16-4+(160 ÷ 20) ?

OpenStudy (anonymous):

no 4 16-4+(160 ÷ 20)

OpenStudy (nikato):

wait, whats that 4?

OpenStudy (anonymous):

it go to gether

OpenStudy (nikato):

\[16-4+(160\div20)^{4}\] like this?

OpenStudy (anonymous):

yes

OpenStudy (nikato):

ok. so start by solving whats in the parantheses. remember PEMDAS so whats 160÷20?

OpenStudy (anonymous):

8

OpenStudy (nikato):

yes. and now whats \[8^{4}\]?

OpenStudy (anonymous):

?

OpenStudy (nikato):

whats \[8^{4}\]

OpenStudy (anonymous):

idk

OpenStudy (nikato):

remember that is the same as 8x8x8x8

OpenStudy (nikato):

that exponent 4 means that your multiply 8 by itself 4 times

OpenStudy (anonymous):

8*8*8*8=4096

OpenStudy (nikato):

yes so now you have 16-4+4096 what does this equal to?

OpenStudy (anonymous):

its 4

OpenStudy (anonymous):

wait i didnt see the other part

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