Evaluate the expression for w = 1.2.

Question

Write your answer as a decimal or whole number.

10 − 7.8w =

Answer 1

To evaluate the expression \( 10 - 7.8w \) for \( w = 1.2 \), we can substitute \( w \) with \( 1.2 \):

\[ 10 - 7.8(1.2) \]

Now, calculate \( 7.8 \times 1.2 \):

\[ 7.8 \times 1.2 = 9.36 \]

Now substitute this value back into the expression:

\[ 10 - 9.36 \]

Now perform the subtraction:

\[ 10 - 9.36 = 0.64 \]

So, the final answer is:

\[ \boxed{0.64} \]