Question

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

Answer 1

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

Answer 2

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

Answer 3

typed it in the calculator xD

Answer 4

LOOOOOOOOOOL

Answer 5

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

Answer 6

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

Answer 7

oh woops my bad i got it wrong xD

Answer 8

too complicated :-)

Answer 9

Mimi you could check what I posted, please

Answer 10

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

Answer 11

okay i will check, Andras (:

Answer 12

but the answer is - 11

Answer 13

than u used the brackets incorrectly

Answer 14

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

Answer 15

see~ i was right, its not that complicated

Answer 16

andras your method has baffled me

Answer 17

andras your method has baffled me

Answer 18

chrissy you still need belp ?

Answer 19

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

Answer 20

lols , why ? xD

Answer 21

yes i do

Answer 22

lols, what do you need help with ?

Answer 23

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

Answer 24

10^2 = 100
sorry for ignoring you before

Answer 25

so 2(5)^2 is 100

Answer 26

wat?

Answer 27

yup :D
am i wrong, estudier ?

Answer 28

Exponents first...

Answer 29

so it is 50 then?

Answer 30

Yes

Answer 31

oh yeah my bad sorry

Answer 32

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

Answer 33

yes

Answer 34

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

Answer 35

thank you for your patience guys.

Answer 36

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

Answer 37

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

Answer 38

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

Answer 39

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

Answer 40

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

Answer 41

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

Answer 42

lols , you dont need BODMAS in that question xD

Answer 43

2(5)^2?....

Answer 44

lols , is BODMAS required ? my bad

Answer 45

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

Answer 46

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

Answer 47

lol

Answer 48

u happy now, chrissy?

Answer 49

very