Unit 1b-3: Scientific Notation

Write in standard form:

7.89 x 10^3

Write in standard form:

3.201 x 10^6

Write in standard form:

7.7 x 10^{-5}

Write in standard form:

1.04 x 10^{-3}

Write the number in scientific notation:

75,000

Write the number in scientific notation:

575,000,000

Write the number in scientific notation:

0.0099

Write the number in scientific notation:

0.0000307

Which number is less:

7.2 x 10^7 or 9.9 x 10^5

Explain your answer.

List the countries from least to greatest population.

1. Singapore 4.4 x 10^6
2. Australia 2 x 10^7
3. Egypt 7.7 x 10^7
4. Brazil 1.9 x 10^8
5. Luxembourg 4.7 x 10^5

In 2005, Hurricane Katrina caused over $125 billion in damage in the southern United States. Write $125 billlion in scientific notation.