Answer
$0.4$
Work Step by Step
Step 1: Multiply 5 by 20 to become 100
Step 2: Multiply both top and bottom by 20:
$\frac{40}{100}$
Step 3: Write down 40 with the decimal point 2 spaces from the right (because 100 has 2 zeros)
= $0.4$ or $0.40$