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iYuko (iyuko):
Plz help!
OpenStudy (anonymous):
175/3
OpenStudy (anonymous):
175 over 3
iYuko (iyuko):
Where 175 come from?
OpenStudy (anonymous):
the lcd
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iYuko (iyuko):
y u need the lcd?
iYuko (iyuko):
I need you to explain not give the answer.
OpenStudy (anonymous):
thats what you do in simplfy
TheSmartOne (thesmartone):
Can you write that with the equation editor?
iYuko (iyuko):
Yes
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TheSmartOne (thesmartone):
Please do. Thanks :)
OpenStudy (anonymous):
iYuko (iyuko):
\[-1+4\div3-6+4^{3}\]
iYuko (iyuko):
I don't know how to solve
TheSmartOne (thesmartone):
Ok, so do you know PEMDAS?
We have to follow that here. :)
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iYuko (iyuko):
Yea
iYuko (iyuko):
No ( )
OpenStudy (anonymous):
I think its 1
iYuko (iyuko):
Please explain.
TheSmartOne (thesmartone):
So:
Parenthesis
Exponents
Multiplication and division
Addition and Subtraction
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iYuko (iyuko):
Yes
TheSmartOne (thesmartone):
We have to follow that from left to right.
No parenthesis, so we move to exponents.
iYuko (iyuko):
We have an exponent
TheSmartOne (thesmartone):
What is \(4^3=?\)
iYuko (iyuko):
4^3 = 64?
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TheSmartOne (thesmartone):
4^3 = 4 x 4 x 4 = 64
Correct (:
iYuko (iyuko):
Now multiplication
iYuko (iyuko):
We don't have any
TheSmartOne (thesmartone):
So then we move on to division from left to right.
iYuko (iyuko):
4/3=1.33333333333333333
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TheSmartOne (thesmartone):
Correct, so now we have currently:
\(\sf -1 + 1.3333 - 6 + 64\)
iYuko (iyuko):
Yea now addition?
TheSmartOne (thesmartone):
We can do the addition and the subtraction together. So basically just moving left to right.
-1 + 1.3333 = ?
And then subtract that by 6, and than add that again by 64
iYuko (iyuko):
0.3333
TheSmartOne (thesmartone):
0.333 - 6 = ?
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TheSmartOne (thesmartone):
And whatever you get from doing that ^ then just add 64 to it :P