Operations in Scientific Notation

Front

What is scientific notation?

Back

A way of expressing numbers as a product of a number between 1 and 10 and a power of 10.

Front

How do you add numbers in scientific notation?

Back

Make sure the exponents are the same, then add the coefficients.

Front

What is the result of (6.0 x 10^4) + (3.0 x 10^4)?

Back

9.0 x 10^4

Front

How do you multiply numbers in scientific notation?

Back

Multiply the coefficients and add the exponents.

Front

What is the result of (4 x 10^5)(5 x 10^-3)?

Back

2 x 10^3

Front

How do you subtract numbers in scientific notation?

Back

Make sure the exponents are the same, then subtract the coefficients.

Front

What is the result of (3.8 x 10^4) - (2 x 10^3)?

Back

3.6 x 10^4

Front

What is the result of (7.8 x 10^7) - (2.45 x 10^6)?

Back

7.555 x 10^7

Front

What is the general form of a number in scientific notation?

Back

a x 10^n, where 1 ≤ a < 10 and n is an integer.

Front

What is the purpose of using scientific notation?

Back

To simplify the representation of very large or very small numbers.