Adding & Subtracting 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 add numbers in scientific notation with the same exponent?

Back

Simply add the coefficients and keep the exponent the same.

Front

How do you subtract numbers in scientific notation with the same exponent?

Back

Subtract the coefficients and keep the exponent the same.

Front

What must you do before adding or subtracting numbers in scientific notation with different exponents?

Back

Convert them to have the same exponent.

Front

How do you convert (4.3 x 10^-10) to have the same exponent as (8.7 x 10^-8)?

Back

Rewrite (4.3 x 10^-10) as (0.043 x 10^-8).

Front

What is the result of (8.7 x 10^-8) - (0.043 x 10^-8)?

Back

(8.657 x 10^-8).

Front

What is the sum of (2.3 x 10^-2) + (4.1 x 10^-2)?

Back

(6.4 x 10^-2).

Front

How do you handle different exponents when adding (5.7 x 10^-7) + (3.23 x 10^-5)?

Back

Convert (5.7 x 10^-7) to (0.000057 x 10^-5) and then add.

Front

What is the difference of (6.4 x 10^-6) - (5.7 x 10^-7)?

Back

(5.83 x 10^-6).

Front

What is the difference of (7.2 x 10^-7) - (4.5 x 10^-7)?

Back

(2.7 x 10^-7).