Answer :

Sure! Let's convert 15.0 gallons to deciliters step-by-step.

1. Convert Gallons to Liters:
- The conversion factor from gallons to liters is given as [tex]\( 1 \text{ gallon} = 3.7854 \text{ liters} \)[/tex].
- To convert 15.0 gallons to liters, multiply the volume in gallons by the conversion factor:
[tex]\[
15.0 \text{ gallons} \times 3.7854 \text{ liters/gallon} = 56.781 \text{ liters}
\][/tex]

2. Convert Liters to Deciliters:
- The conversion factor from liters to deciliters is given as [tex]\( 1 \text{ liter} = 10 \text{ deciliters} \)[/tex].
- To convert 56.781 liters to deciliters, multiply the volume in liters by the conversion factor:
[tex]\[
56.781 \text{ liters} \times 10 \text{ deciliters/liter} = 567.81 \text{ deciliters}
\][/tex]

Therefore, 15.0 gallons is equivalent to 567.81 deciliters.