You know what 10³ means . . . it's 1,000 .
So you have to divide 948 by 1,000 .
That shouldn't be a problem to do with a pencil,
and it should be a piece-o-cake with a calculator.
Here is the step by step explanation
Hope this helps
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Answer:

Step-by-step explanation:
Given
and 
Required
The midpoint (M)
This is calculated as:

So, we have:



Answer:
A. Estimation
Step-by-step explanation:
If an exact answer is necessary, you should not estimate. Adding is likely necessary for finding the answer and checking is also likely helpful.