Question

If `a = 9`, then `5a =` what?

Answer 1

`45`

Explanation:

If `a=9`, and you are asked to determine the value of `5a`, then substitute `a=9` into `5a` to determine its value.

`5a`

`=5(9)`

`=color(green)(|bar(ul(color(white)(a/a)45color(white)(a/a)|)))`