Final answer:
The expression equal to 0.09 times 0.4 is 0.036.
Step-by-step explanation:
To find the expression equal to 0.09 times 0.4, we multiply the two numbers together. 0.09 times 0.4 equals 0.036. Therefore, the expressions that are equal to 0.09 times 0.4 are: 1) 0.036.