Question

Which expression is equivalent to .02m(n - 5) - .02(m + 10)? A) .02mn - .12m - 0.2 B) .02mn + .12m - 0.2 C) .02mn - .12m + 0.2 D) .02mn + .12m + 0.2

Answer 1

The correct answer is A).02m(n - 5) - .02(m + 10)

Answer 2

`.02mn - 0.12m -0.2`

Explanation:

`.02m(n - 5) - .02(m + 10)`

To get equivalent expression, remove the parenthesis

Distribute .02m inside the parenthesis

`.02mn - 0.1- .02(m + 10)`

Distribute -0.2 inside the parenthesis

`.02mn - 0.1m- .02 m-0.2`

Now combine like terms

`.02mn - 0.12m -0.2`