Multiply 8.09 x 5.4

Choose the best answer from the options below:
A 4.3686
B 0.43686
C 436.86
D 43.686

The correct answer is D) 43.686.

To multiply 8.09 by 5.4, follow these steps:

1. Start by multiplying the decimal parts: 0.09 x 0.4 = 0.036 (keep this result aside for now).
2. Multiply the whole numbers: 8 x 5 = 40.
3. Now, multiply 8 by 0.4: 8 x 0.4 = 3.2.
4. Add the results from steps 2 and 3: 40 + 3.2 = 43.2 (keep this result aside for now).
5. Lastly, add the result from step 4 to the result from step 1: 43.2 + 0.036 = 43.236.

The correct answer is D) 43.686.