Wk 5: Adding 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

What is the standard form of 4.56 x 10^5?

Back

456,000

Front

Which of the following is correct scientific notation? 20.35 x 10^4, .2035 x 10^4, 2035^4, 2.035 x 10^4?

Back

2.035 x 10^4

Front

How do you add numbers in scientific notation?

Back

Align the exponents; if they are different, convert one number to have the same exponent as the other before adding.

Front

What is the result of (2.8 x 10^8) + (5.4 x 10^9)?

Back

5.68 x 10^9

Front

What is the result of (3.6 x 10^-2) + (4.0 x 10^-1)?

Back

4.36 x 10^-1

Front

What is the purpose of scientific notation?

Back

To simplify the representation of very large or very small numbers for easier calculation and comparison.

Front

Convert 0.0000456 to scientific notation.

Back

4.56 x 10^-5

Front

What is the correct way to express 456,000 in scientific notation?

Back

4.56 x 10^5

Front

If you have 3.0 x 10^3 and you want to add 2.0 x 10^4, what do you do first?

Back

Convert 3.0 x 10^3 to 0.30 x 10^4 to match the exponents.