Concepts/Relationships: Unit Conversions and Scientific Notation

Front

What is scientific notation?

Back

A way of expressing numbers that are too large or too small to be conveniently written in decimal form, using powers of ten.

Front

How do you convert a number to scientific notation?

Back

Move the decimal point in the number until only one non-zero digit remains to the left of the decimal point, then multiply by 10 raised to the number of places the decimal was moved.

Front

Convert 0.000398 to scientific notation.

Back

3.98 x 10^-4

Front

Convert 450,000 to scientific notation.

Back

4.5 x 10^5

Front

What is the conversion factor from pounds to kilograms?

Back

1 pound is approximately 0.453592 kilograms.

Front

How many kilograms are in 18 lbs?

Back

8.17 kg

Front

Convert 9 meters to centimeters.

Back

900 cm

Front

What is the conversion factor from liters to milliliters?

Back

1 liter is equal to 1,000 milliliters.

Front

Convert 15.6 liters to milliliters.

Back

15,600 mL

Front

What is the purpose of unit conversions?

Back

To change a quantity expressed in one unit to an equivalent quantity in another unit.