-53.9-(19.4)
-73.3
If that's one of your answer choices
To calculate the expression -53.9 - 19.4, you simply subtract 19.4 from -53.9.
Step by step:
1. Start with the initial number -53.9.
2. Subtract 19.4 from -53.9.
To do the subtraction, follow these steps:
1. Change the sign of 19.4 to its opposite, which is -19.4.
2. Add -19.4 to -53.9.
-53.9 + (-19.4) = -73.3
So, -53.9 - 19.4 equals -73.3.