Final answer:
The product of -15.2 and -3.2 is 48.64, which is not listed among the answer choices provided. Therefore, the correct answer is 'None of the above.'
Step-by-step explanation:
To simplify -15.2 × (-3.2), you need to multiply the two numbers. Here, both numbers are negative, and when you multiply two negative numbers, the result is a positive number. Therefore, the calculation becomes:
15.2 × 3.2 = 48.64
However, none of the answer options provided (a. 18.4, b. 12.0, c. -12.0, d. -18.4) match the correct result of 48.64. Therefore, the correct answer is:
None of the above.