Answer:
where is simplify question
The picture is blurry and I can't read this
Its probably a fraction.
You would know the answer if you researched what your question was on google
with a scale factor
length becomes scale factor * length
area becomes scale factor^2 * area
volume becomes scale factor ^3 * volume
if the diameter is doubled the scale factor is 2
Volume becomes 2^3 * volume
the volume increases by a factor of 8