The correct answer is 7,500.
Answer:

Step-by-step explanation:
Given

Required
Find the equivalent;
To find the equivalent of the given expression, we make use of laws of indices;
Using the following law of indices;

So;
becomes

------------ This is one equivalent
Solving further;
Using the following law of indices;

So;
becomes


Hence;

Conclusively; the equivalents of
are 
Answer:
Step-by-step explanation:
Given in the data set as
26, 34, 38, 49, 65, 76, 81
Sum = 369
No of entries = 7
Mean =52.71
When 1213 is included
New sum = 1582
No of entries =8
New mean = 197.75
Thus mean increases by 145.04