Answer:
21/50 or 21:50
Step-by-step explanation:
1km = 1000m
That means one meter is equal to 1/1000 of a km.
420 meters is 420/1000 of a km which is equal to 42/100 = 21/50 or 21:50
Is it right?
Also can I have Brainiest
The table is missing in the question. The table is provided here :
Group 1 Group 2
34.86 64.14 mean
21.99 20.46 standard deviation
7 7 n
Solution :
a). The IV or independent variable = Group 1
The DV or the dependent variable = Group 2
b).


Therefore, 

t = -2.579143
Now, 
df = 7 - 1
= 6
Therefore the value of p :

= 0.020908803
The p value is 0.0209

So we reject the null hypothesis and conclude that 
Answer:
you need to show the shape or somet or else I can't rlly help
circumference = diameter x PI
3300 *3.14 = 10,362 feet
Answer:
5.1304 x 10^14
Step-by-step explanation:
there is 10 zeros behind the decimal point plus 4 other decimal places
in a scientific notation the number has to be less then 10 but more then 1