Question 3

4.05 liters equal 4.5 quarts.

To convert quarts to liters, multiply the number of quarts by 0.9. Thus, 4.5 quarts multiplied by 0.9 equals 4.05 liters.

A) 4.59 L

This option is incorrect because it suggests that 4.5 quarts is approximately equal to 4.59 liters. The conversion factor indicates that 4.5 quarts should yield a lower number when multiplied by 0.9, specifically 4.05 liters.

B) 5 L

This option is incorrect as it implies that 4.5 quarts equals 5 liters. The correct conversion shows that 4.5 quarts results in a value less than 5 liters due to the multiplication by 0.9.

C) 3.6 L

This option is also incorrect. Although it is a lower value, it underestimates the conversion result. Multiplying 4.5 quarts by 0.9 yields a result greater than 3.6 liters.

D) 4.05 L

This option is correct. By multiplying 4.5 quarts by 0.9, the calculation indeed results in 4.05 liters, which accurately reflects the conversion from quarts to liters.

Conclusion

The correct answer, 4.05 liters, arises from using the conversion factor of 0.9 liters per quart. All other options either overestimate or underestimate the conversion, demonstrating a misunderstanding of the multiplication process necessary for accurate unit conversion. Thus, D is definitively the correct choice.