Answer:
first check the smallest number that divide 784
i.e 2
784/2 = 392/2= 196/2 =98/2 =49/7=7
we get
748= 2*2*2*2*7*7
for square root take one out of 2 same number
square root of 784= 2*2*7 = 28
-5 is between -2 and -10 So you use that problem
-20 + 11 = -9
When you use 5. It is between 2 and 10. So you use that problem
5+ 1 = 6
These statistics compare the population density of these countries.
7/9 times 21/10 can become 7/3 times 7/10 which is 49/30 which is 1 19/30 at it's most reduced form since 19 is prime.
