Scientific Notation

Front

What is scientific notation?

Back

A method of expressing numbers as a product of a coefficient and a power of 10.

Front

What does the exponent in scientific notation indicate?

Back

It indicates how many places to move the decimal point. A positive exponent moves it to the right, while a negative exponent moves it to the left.

Front

Convert 0.0005 to scientific notation.

Back

5 x 10^-4

Front

Convert 4500 to scientific notation.

Back

4.5 x 10^3

Front

What is the scientific notation for 0.0000072?

Back

7.2 x 10^-6

Front

If a number is written as 3.2 x 10^8, what is the original number?

Back

320,000,000

Front

How do you convert a large number to scientific notation?

Back

Move the decimal point to the left until only one non-zero digit remains to the left of the decimal, then count the number of places moved to determine the exponent.

Front

How do you convert a small number to scientific notation?

Back

Move the decimal point to the right until only one non-zero digit remains to the left of the decimal, then count the number of places moved to determine the exponent as negative.

Front

What is the scientific notation for 0.0000001?

Back

1 x 10^-7

Front

What does a positive exponent in scientific notation indicate about the original number?

Back

The original number was a really big number.