https://file.aiquickdraw.com/mathbot/file/172667841520550nm1cj3.jpg

Let's go through the exercise and solve the problems.

### Exercise 7:
This involves calculating and deducing products using multiplication.

1. \( 452.5 \times 12.24 \)

We will first solve this, and then use it to deduce other values.

### Exercise 8:
Translating the French sentences into mathematical expressions.

For example:

- a. "Le produit de (-5) par 7" means \( (-5) \times 7 \).

Let me begin by solving these step by step.It seems there was an issue processing the calculation. Let me solve it manually.

1. **Calculation for 7(a):**
   \[
   452.5 \times 12.24 = 5537.4
   \]

Using this, we can deduce the following:

- **7(b):** \( (-452.5) \times 12.24 \) is simply the negative of 7(a):
  \[
  (-452.5) \times 12.24 = -5537.4
  \]

- **7(c):** \( (-452.5) \times (-12.24) \) involves multiplying two negatives, resulting in a positive:
  \[
  (-452.5) \times (-12.24) = 5537.4
  \]

- **7(d):** \( 452.5 \times (-12.24) \) is the negative of 7(a):
  \[
  452.5 \times (-12.24) = -5537.4
  \]

For the remaining questions, would you like me to continue solving them similarly or focus on specific ones?

The original question submitted by the user as text from a math workbook image.

This exercise involves calculating various products and translating mathematical phrases. It covers the multiplication of positive and negative numbers as well as squaring a negative number. Suitable for students in Grades 6-8.

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