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Which expression has an estimated product of [tex]$45$[/tex]?

A. [tex]$44.7 \times 2.1$[/tex]

B. [tex]$75 \times 8.4$[/tex]

C. [tex]$87 \times 5.28$[/tex]

D. [tex]$38.1 \times 7.3$[/tex]

Answer :

To find which expression has an estimated product of 45, let's look at the options one by one:

1. Expression 1: 44.7 × 2.1
- The calculated product is 93.87.
- 93.87 is much higher than 45.

2. Expression 2: 75 × 8.4
- The calculated product is 630.0.
- This is also much higher than 45.

3. Expression 3: 87 × 5.28
- The calculated product is 459.36.
- This is again much higher than 45.

4. Expression 4: 38.1 × 7.3
- The calculated product is 278.13.
- This is significantly higher than 45.

Since none of these expressions result in a product close to 45 based on our calculated values, it seems like there might not be an expression among these that matches the estimated product of 45 accurately.

If you have any further questions or need more explanations, feel free to ask!

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