Understanding and writing numbers in scientific notation

#38 - Identify the Scientific Notation

Which of the following is in order from greatest to least?

• 5.34 x 10⁴, 5.03 x 10⁵, 4.98 x 10⁶, 4.9 x 10⁴

• 4.98 x 10⁶, 5.03 x 10⁵, 5.34 x 10⁴, 4.9 x 10⁴

• 5.03 x 10⁵, 5.34 x 10⁴, 4.98 x 10⁶, 4.9 x 10⁴

What is scientific notation?

• A long way to write numbers containing a few digits
• A short way to write numbers containing many, many digits
• A number written without exponents
• None of the above

When writing a number in scientific notation, the first number must be greater than 1, but less than 10.

• False
• True

Write in Scientific Notation

0.00000034

• 34 x 10^-7

• 3.4 x 10^-7

• 3.4 x 10⁷

• 34 x 10⁶

Write 1.34 x 10⁵ in standard form.

• 134,000

• 13,400

• 1,3400

• 0.000034

How would you write 564,000,000 in scientific notation?

• 5.64 x 10^-7

• 5.64 x 10⁶

• 5.64 x 10⁸

• 56.4 x 10⁷

Write 9,450,000 in scientific notation.

• 9.45 x 10⁴

• 9.45 x 10⁵

• 9.45 x 10⁶

How would you write 0.0005 in scientific notation?