Answer:
if a z-score is equal to +1, it is 1 standard deviation above the mean.
Step-by-step explanation:
Answer:
1.25x10^2
Step-by-step explanation:
5x5^2
5x5x5=125
125=1.25x10^2
Therefore 5x5^2=1.25x10^2
840=2 times 2 times 2 times 3 times 5 times 7
385=15n+85
385-85=15n
300=15n
300/15=n
20=n
