To find the distance between two numbers on a number line, you can use the formula for distance:
\[ \text{Distance} = |a - b| \]
where \( a \) and \( b \) are the two numbers. In this case, let \( a = 6.5 \) and \( b = -7.2 \).
Now, calculate the distance:
\[ \text{Distance} = |6.5 - (-7.2)| \]
This simplifies to:
\[ \text{Distance} = |6.5 + 7.2| \]
Now, sum \( 6.5 + 7.2 \):
\[ 6.5 + 7.2 = 13.7 \]
So,
\[ \text{Distance} = |13.7| = 13.7 \]
Therefore, the distance between 6.5 and -7.2 on a number line is 13.7.
None of the provided options appear to match this calculation, as there seems to be a repetition of -13.7 and -0.7 among the choices given. Make sure to verify the options or calculate the distance denomination accurately.
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