Question

What is the value of `1/3x^3+5.4y` when `x=3` and `y=2`?

Answer 1

`19.8`

Explanation:

`"substitute the given values for x and y into the expression"`
`"and evaluate"`

`=1/3xx(color(red)(3))^3+5.4xxcolor(magenta)(2)`

`=1/cancel(3)^1xxcancel(27)^9+10.8`

`=9+10.8`

`=19.8`