How do you solve -13 \cdot ( - 2.3) ?

1 Answer
Oct 11, 2017

-13*(-2.3)
Step 1: =13*2.3
Step 2: =29.9

To get to Step 1, I simply utilized the idea that -13 = -1 * 13 and -2.3 = -1 * 2.3. Thus

-1*13*-1*2.3

=-1*-1*13*2.3

=(-1*-1)*13*2.3)

=13*2.3

For Step 2, I multiplied 13 and 2.3. This can be done with a calculator or with scratch paper.