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gregori [183]
3 years ago
13

Which of the following is the smallest volume? A. 2500 mL B. 250 cm3 C. 2.5 x 10-2 L D. 25 m3

Chemistry
1 answer:
azamat3 years ago
8 0
The answer is c. 2.5*10-2 L. The unit cm3 is equal to mL. m3 is equal to 10^3 L. L is equal to 1000 mL. So after you change all the number to the same unit, you can get the result.
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gulaghasi [49]

Taking into account the change of units, the size of the tank is 54.88 liters.

In first place, the rule of three is a tool used to quickly solve problems involving a proportional relationship between two variables.

The rule of three is a way of solving problems of proportionality between three known values and an unknown value, establishing a relationship of proportionality between all of them.

If the relationship between the magnitudes is direct, that is, when one magnitude increases, so does the other (or when one magnitude decreases, so does the other), the direct rule of three should be applied.

The rule of three is applied as follows, with A, B and C being known values ​​and D being an unknown value: if A maintains a certain relationship with B, and it is known that C and D have the same relationship, it is possible to calculate the unknown value D using the following expression:

D=\frac{CxB}{A}

In this case, the rule of three can be applied as follows: if 1 gallon is equal to 3.785 liters, 14.5 gallons are equal to how many liters?

D=\frac{14.5 gallonsx3.785 liters}{1 gallon}

Solving:

D= 54.88 liters

In summary, the size of the tank is 54.88 liters.

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