Combine like terms to simplify the expression:
1.17-0.07a+(-3.92a)
To simplify the expression, you need to combine like terms. This means that you can combine the terms with the same variable (in this case, "a").
1.17 - 0.07a + (-3.92a)
First, let's simplify the terms with "a":
-0.07a + (-3.92a) = -4.99a
Now, let's rewrite the expression with the simplified terms:
1.17 - 4.99a