Q2W1: Scientific Notation

 I can use numbers expressed in the form of a single digit times an integer power of 10 to estimate very large or very small quantities.

Scientific Notation: A QUICK WAY TO WRITE REALLY, REALLY BIG OR REALLY, REALLY SMALL NUMBERS. Example: Standard Form: 191,000,000,000 Scientific Notation: 1.91 x 10 11

To be in proper scientific notation the number must be written with * a coefficient between 1 and 10 * and multiplied by a power of ten like this: 4.8 x X 10 5 is not in proper scientific notation. Why?

To figure out a power of 10, think “how many places do I move the decimal point?” 137,000,000 can be rewritten as 1.37 X 10 8

152,000: 68,000,000:

4,000: 306,000,000:

1.23 X X 10 6

In the United States, 15,000,000 households use private wells for their water supply. Write this number in scientific notation.

 The U.S. has a total of X 10 7 acres of land reserved for state parks. Write this in standard form.

10000 = 10x10x10 x10 = = 10 x 10 x 10 = = 10 x 10 = = = /10 = 1/ /100 = 1/10 x

1) ).00068

Using Scientific Notation, rewrite the following numbers

1.8 X X 10 -3

The nucleus of a human cell is about 7 X meters in diameter. What is the length in standard notation?