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## PowerPoint Slideshow about ' Scientific Notation' - seamus

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### Scientific Notation

IWBAT write, evaluate, and calculate numbers with scientific notation.

What is scientific notation? notation.

- Scientific notation provides a way to write numbers using powers of ten.
- Written as a product of 2 factors.
- The first factor is a number greater than or equal to one BUT less than ten.
- The second factor is a power of 10.
- 7,500,000,000,000 = 7.5 x 10
**Scientific Notation lets you know the size of a number without having to count the digits!

- 7,500,000,000,000 = 7.5 x 10

- Written as a product of 2 factors.

About 4,200,000 people visit the Statue of Liberty every year. Write this number in scientific notation. Drop the zeros after the 2. You moved the decimal point 6 places. The number is large. Use 6 as the exponent of 10.

- 4,200,000
- 4.2
- 4.2 x 10 ⁶

- Move the decimal point to get a decimal greater than 1 but less than 10.

Write each number in scientific notation. year. Write this number in scientific notation.

- 54,500,000
- 723,000
- 602,000,000,000

Write 0.000079 in scientific notation. year. Write this number in scientific notation. Drop the zeros before the 7. You moved the decimal point 5 places. The number is small. Use -5 as the exponent of 10.

- 0.000079
- 7.9
- 7.9 x 10⁻⁵

- Move the decimal point to get a decimal greater than 1 but less than 10.

Write each number in scientific notation. year. Write this number in scientific notation.

- 0.00021
- 0.00000005
- 0.0000000000803

Write each number in standard notation. year. Write this number in scientific notation.

- 8.9 x 10⁵
- 8.9000
- Write zeros while moving the decimal point.

- 890,000
- Rewrite in scientific notation.

- 2.71 x 10⁻⁶
- 000002.71
- Write zeros while moving the decimal point.
- 0.00000271
- Rewrite in scientific notation.

Write each number in standard notation. year. Write this number in scientific notation.

- 3.21 x 10⁷
- 5.9 x 10⁻⁸
- 1.006 x 10

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