###### Exercise41

Itâ€™s given that \(19\cdot79=1501\text{.}\) Use this fact to calculate the following without using a calculator:

\(\displaystyle{ (-1.9)(-7.9) = }\)

Itâ€™s given that \(19\cdot79=1501\text{.}\) Use this fact to calculate the following without using a calculator:

\(\displaystyle{ (-1.9)(-7.9) = }\)