76/9 = 8.444444444444 > 8.0 or 8.45
You have to see the sum of each number than determine if it is negative or positive
Benny started with 55 five cards. In order for his dog to have eaten half his cards and end up with 30 cards, that would mean he had 60 cards. Mind you, he had bought 5 more the day before his dog ate them. I hope that makes sense
To determine the extent of how many times greater is the number of bacteria in petri dish A than petri dish B, we simply have to take the ratio of the two.
1.75 x 10^18 / 6.25 x 10^15 = 280
So the bacteria in petri dish A is 280 times larger.
In scientific notation:
2.8 x 10^2
Hope this helps :)
Check the picture below, so the park looks more or less like so, with the paths in red, so let's find those midpoints.
now, let's check the other path, JM and KL
so the red path will be