Question

Multiply and simplify
y/16 *4y^2/y^2

Answer 1

I think your expression is this:
\[\frac{ y }{ 16 } \times \frac{4y^2}{y^2}\]
If you noticed, those y^2 are cancelled out:
\[\frac{y}{16} \times 4 = \frac{y}{4}\]