Scientific Notation and Standard Form

Front

What is scientific notation?

Back

A method of writing very large or very small numbers using powers of ten.

Front

What is the standard form of a number?

Back

The usual way of writing numbers without exponents, e.g., 5000 instead of 5 x 10^3.

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, then multiply by 10 raised to the number of places the decimal was moved.

Front

What is the scientific notation for 5000?

Back

5 x 10^3.

Front

What is the scientific notation for 0.00045?

Back

4.5 x 10^-4.

Front

True or False: The power of 10 in scientific notation indicates how many places the decimal point has moved.

Back

True.

Front

What is the scientific notation for 0.0000000009?

Back

9 x 10^-10.

Front

What is the scientific notation for 986000?

Back

9.86 x 10^5.

Front

True or False: Scientific notation can only be used for large numbers.

Back

False. It can be used for both large and small numbers.

Front

What is the scientific notation for 0.00000000986?

Back

9.86 x 10^-9.