Unit Conversion and Growth Rate

The video tutorial explains how to convert the growth rate of a plant from centimeters per day to inches per hour. It begins by introducing the problem and then demonstrates the conversion of centimeters to inches using a fraction. Next, it covers converting days to hours, ensuring units cancel out properly. Finally, the video performs the calculation to find the growth rate in inches per hour, concluding with a summary of the solution.

What is the initial growth rate of the plant given in the problem?

• 91 centimeters per hour

• 91 inches per hour

• 91 centimeters per day

• 91 inches per day

What is the first step in converting the growth rate from centimeters per day to inches per hour?

• Convert days to hours

• Divide by 2.54

• Write the growth rate as a fraction

• Multiply by 24

What is the purpose of writing the growth rate as a fraction?

• To make it easier to divide

• To simplify the conversion process

• To make it easier to add

• To make it easier to multiply

What is the conversion factor used to convert centimeters to inches?

• 1 inch = 2.6 centimeters

• 1 inch = 2.54 centimeters

• 1 inch = 2.45 centimeters

• 1 inch = 2.5 centimeters

Why do we place 1 inch in the numerator when converting centimeters to inches?

• To convert to meters

• To cancel out the centimeters

• To cancel out the inches

• To convert to kilometers

What happens to the units of centimeters during the conversion process?

• They are added

• They are multiplied

• They cancel each other out

• They remain unchanged

Why is it important to cancel out the units during the conversion process?

• To avoid using a calculator

• To make the numbers smaller

• To ensure the units are correct

• To simplify the calculation

How many hours are there in one day, which is used for conversion?

• 12 hours

• 24 hours

• 48 hours

• 36 hours

What is the final growth rate of the plant in inches per hour after conversion?

• 1.49 inches per hour

• 2.54 inches per hour

• 0.91 inches per hour

• 3.65 inches per hour

What mathematical operation is performed after converting centimeters to inches?

• Division

• Subtraction

• Addition

• Multiplication