(−1.15)x3.2

Answer 1

- 1.15 • 3.2 = - ( 15 / 100 ) • ( 320 / 100 ) =

- ( 115 • 320 ) / ( 100 • 100 ) =

- 36800 / 10000 =

- 400 • 92 / ( 400 • 25 ) =

- 92 / 25

By the way:

- 92 / 25 = - 92 • 4 / 25 • 4 =

- 368 / 100 = - 3.68

So:

- 1.15 • 3.2 = - 92 / 25 = - 3.68

Answer 2

My typo in first step.

It should be written:

- 1.15 • 3.2 = - ( 115 / 100 ) • ( 320 / 100 ) =