7 x 7 x 7 x 7.
49 x 7 x 7
343 x 7
2,401
So 7 to the power of 4 is 2401.
I believe the answer is 7.28
Answer:

Step-by-step explanation:
For a standard normal distribution of mean
and 
the statistic 
In this problem we look for the value of X that is 2 standard deviations above the mean.
If there are two standard deviations above the mean, then, in the standard normal distribution, the statistic
.
Then, we clear X.

Where:

The correct answer is option A