Answer:
c
Step-by-step explanation:
First you'd convert the seconds into minutes by dividing.
18,000 / 60 (60 secs in a min) = 300 minutes
Then, similarly, you would convert the minutes into hours.
300 / 60 (60 mins in an hr) = 5 hours
The answer is 5 hours.
Lets first simplify the dimensions of the rectangle
length = 7
breadth =

=

= 0.6
The area of rectangle = length * breadth
so, area of rectangle = 7 * 0.6
Area of rectangle = 4.2
Hope it helped you.. :D
The answe is 1.7x10 exponent 5
You multiply six by six and then get 36 and divide 36 to 4 and you would get 9 so put 9 in the 6 6's that you got.