Question

A student skipped a step when she tried to convert 11 hours to seconds, and she got the following incorrect result:
http://media.apexlearning.com/Images/201305/31/2d15026c-c719-480f-b404-ea8893e31406.gif
What conversion ratio did she skip in this multiple-step conversion?

Answer 1

May I help?

Answer 2

A. http://media.apexlearning.com/Images/201305/31/a412ea61-8b14-427a-a65d-d5567e760673.gif

B. http://media.apexlearning.com/Images/201305/31/b49c7ef7-7a7a-4647-9683-fa4d256d3d8f.gif

C. http://media.apexlearning.com/Images/201305/31/d29d0562-9c27-49de-94dc-472cd251b71f.gif

D. http://media.apexlearning.com/Images/201305/31/c3f235c5-7ce0-4dcb-a044-f549471f73ef.gif

Answer 3

Are there choices, or just single blank?

Answer 4

yes

Answer 5

them are it^

Answer 6

I see

Answer 7

okay

Answer 8

It would be like that
\[11hr*\frac{ 60\min }{ 1hr }*\frac{ 60\sec }{ 1\min }=39600seconds\]

Answer 9

So the choice will be ....#???

Answer 10

B

Answer 11

I think it is already included in the conversion expression. Search for another one.

Answer 12

huh

Answer 13

Yes

Answer 14

i don't understand so am i correct is the answer B or A

Answer 15

so am i correct yall i'm so confused

Answer 16

Step by step!
Don't worry.

Answer 17

11hr∗60min1hr∗60sec1min=39600seconds

we have 11hr∗60sec/1min in the expression, what remains?

Answer 18

60sec/1min

Answer 19

right :/

Answer 20

11hr∗60min1hr∗60sec1min >>>>>>> this is the right one
11hr∗60sec/1min >>>>>>> this is what is written in the question
60min1hr >>>>>>> this is the missing part

easy!

Answer 21

okay thanks

Answer 22

Any more questions?

Answer 23

Thank you for the medal!