The distance between two points is the number of units between them.
The distance between Q and R is 3.61 units
<em>It is impossible to determine your friend's error, because the steps are not given in the question. So, I will calculate the distance between Q and R, instead.</em>
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The distance (d) between two points is:

So, the distance QR is:


Evaluate exponents


Take square root of 13

Hence, the distance between Q and R is 3.61 units
Read more about distance at:
brainly.com/question/16310813
Answer:
The missing exponent is 4
Step-by-step explanation:
Let

Then we rewrite the LHS in scientific notation to get;

This implies that,

By comparison, we find n=4.
Therefore the missing exponent is 4
Answer:
There are no solutions to this answer.
Step-by-step explanation:
I checked my answer by going to an app and they said there was no answer to the question too.