Dimensional Analysis and Unit Conversion Quiz

What is the first step in converting 24 meters to kilometers using dimensional analysis?

• Multiply 24 by 10

• Divide 24 by 1000

• Divide 24 by 10

• Multiply 24 by 1000

How can you express 0.024 kilometers in scientific notation?

• 2.4 x 10^2

• 2.4 x 10^-2

• 24 x 10^-3

• 0.24 x 10^-1

When converting 47 meters per second to kilometers per hour, what is the first unit you should convert?

• Kilometers to meters

• Minutes to hours

• Seconds to minutes

• Meters to kilometers

What is the approximate result of converting 47 meters per second to kilometers per hour using rounding?

• 180 km/h

• 150 km/h

• 160 km/h

• 170 km/h

What is a useful conversion to memorize when dealing with time units?

• 3600 seconds = 1 hour

• 60 minutes = 1 second

• 60 seconds = 1 hour

• 3600 seconds = 1 minute

What is the first step in converting 0.2 microns to kilometers?

• Convert microns to centimeters

• Convert microns to millimeters

• Convert microns to nanometers

• Convert microns to meters

How do you express 1 micrometer in terms of meters using scientific notation?

• 1 x 10^6 meters

• 1 x 10^-6 meters

• 1 x 10^-3 meters

• 1 x 10^3 meters

What is the final result of converting 0.2 microns to kilometers using scientific notation?

• 2 x 10^-11 kilometers

• 2 x 10^-10 kilometers

• 2 x 10^-9 kilometers

• 2 x 10^-8 kilometers

Why is it beneficial to avoid negative exponents in conversions?

• They are more accurate

• They are less confusing

• They are faster to compute

• They are easier to calculate

What is the advantage of using scientific notation in conversions?

• It reduces the need for memorization

• It simplifies large numbers

• It makes calculations faster

• It avoids the use of decimals