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

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

B. [tex]$7.5 \times 8.4$[/tex]

C. [tex]$8.7 \times 5.28$[/tex]

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

Answer :

To determine which expression has an estimated product of [tex]$45$[/tex], we can look at the results for each expression:

1. 44.7 × 2.1
- The product of this expression is 93.87.

2. 7.5 × 8.4
- The product of this expression is 63.0.

3. 8.7 × 5.28
- The product of this expression is 45.936.

4. 38.1 × 7.3
- The product of this expression is 278.13.

Comparing these products, the one that is closest to [tex]$45$[/tex] is:
- 8.7 × 5.28 which equals 45.936.

Thus, the expression 8.7 × 5.28 has an estimated product of [tex]$45$[/tex].

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