a *5

It seems like you might be asking about the expression "a * 5". In mathematics, this expression represents multiplication, where "a" is a variable and "5" is a constant. The result will depend on the value of "a".

For example:

• If \( a = 2 \), then \( a * 5 = 2 * 5 = 10 \).
• If \( a = 0 \), then \( a * 5 = 0 * 5 = 0 \).

If you have a specific context or question related to this expression, feel free to provide more details!