Evaluate the expression for d = –0.4.

Question

Write your answer as a decimal or whole number.

31.4d =

Answer 1

To evaluate the expression \( 31.4d \) for \( d = -0.4 \), we substitute \(-0.4\) for \(d\):

\[ 31.4d = 31.4 \times (-0.4) \]

Now, we perform the multiplication:

\[ 31.4 \times -0.4 = -12.56 \]

Thus, the value of \( 31.4d \) when \( d = -0.4 \) is

\[ \boxed{-12.56} \]