Work out the value of each of this expressions, when p=2, q=-3, r=5:
p^4+2r^2/pq

Question

Work out the value of each of this expressions, when p=2, q=-3, r=5: 
p^4+2r^2/pq

mimi_x3 · Answer

(2)^4 + 2(5)^2/(2)(-3)
= -11

anonymous · Answer

how did you get minus eleven, would you mind giving me a quick step by step run through?

mimi_x3 · Answer

typed it in the calculator xD

anonymous · Answer

LOOOOOOOOOOL

anonymous · Answer

that cannot be right 2*5^2/-6 is not an integer

anonymous · Answer

2^4=16
5^2=25
so it is 
16+2*25/-6=16-25/3=48/3-25/3=23/3

mimi_x3 · Answer

oh woops my bad i got it wrong xD

anonymous · Answer

too complicated :-)

anonymous · Answer

Mimi you could check what I posted, please

mimi_x3 · Answer

LOL, yeah i thought it was easy , it looked easy

mimi_x3 · Answer

okay i will check, Andras (:

anonymous · Answer

but the answer is - 11

anonymous · Answer

than u used the brackets incorrectly

anonymous · Answer

(p^4+2r^2)/pq=-11

mimi_x3 · Answer

see~ i was right, its not that complicated

anonymous · Answer

andras your method has baffled me

anonymous · Answer

andras your method has baffled me

mimi_x3 · Answer

chrissy you still need belp ?

anonymous · Answer

People not use pen and paper any more...:-)

mimi_x3 · Answer

lols , why ? xD

anonymous · Answer

yes i do

mimi_x3 · Answer

lols, what do you need help with ?

anonymous · Answer

2^4=16
2(5)^2= 50????

mimi_x3 · Answer

10^2 = 100 
sorry for ignoring you before

anonymous · Answer

so 2(5)^2 is 100

anonymous · Answer

wat?

mimi_x3 · Answer

yup :D
am i wrong, estudier ?

anonymous · Answer

Exponents first...

anonymous · Answer

so it is 50 then?

anonymous · Answer

Yes

mimi_x3 · Answer

oh yeah my bad sorry

anonymous · Answer

IT's -11 because p^4+2r^2/pq = 16+50/-6 = -11

anonymous · Answer

yes

anonymous · Answer

Yes, Mimi had it right since the beginning (but didn't know why)

anonymous · Answer

thank you for your patience guys.

mimi_x3 · Answer

lols, because i didn't read the question again thats why

anonymous · Answer

no problem, but wouldnt it be better if u tried to do ur homework alone 
???

mimi_x3 · Answer

lols , she cant do it thats why she's asking for herlp xD

anonymous · Answer

I think the questions are designed to test order of operations...

anonymous · Answer

She wont do it, i am not trying to be mean so please excuse me if i offended you, but we are limited only by our imagination

anonymous · Answer

BODMAS, PEDMAS, whatever it's called...

mimi_x3 · Answer

lols , you dont need BODMAS in that question xD

anonymous · Answer

2(5)^2?....

mimi_x3 · Answer

lols , is BODMAS required ? my bad

anonymous · Answer

If u just starting, maybe it is not so obvious....

mimi_x3 · Answer

lols , i haven't heard of that term for a while so it wasnt obvious xD

anonymous · Answer

lol

anonymous · Answer

u happy now, chrissy?

anonymous · Answer

very