Scientific notation

Write in scientific notation. -318000

Write 9,450,000 in scientific notation.

• 9.45 x 10⁴
• 9.45 x 10⁵
• 9.45 x 10⁶
• .945 x 10⁷

Which of these numbers is the greatest?

• 9 x 10⁹

• 8.1 x10⁸

• 9.02 x10⁹

• 6.35 x10⁷

When your exponent is negative, you move your decimal....

• to the right
• to the left
• to both sides
• nowhere.... the decimal goes nowhere

Write in standard form: 
6.254 x 10⁶

• 6,254,000
• 6,254,000,000
• 625,400

Write 3.2 x 10³ in standard form.

• 3.200
• 3200
• 32000
• .0032

When using scientific notation, a negative exponent means ...

• the standard number is greater than one

• the standard number is less than one

• the negative sign doesn't have a meaning

• None of the above

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

• 1, 1000, 5²

• 3 x 10², 4 x 10³, 5 x 10²

• 7 x 10⁴, 3 x 10⁵, 5 x 10⁷

• 1 x 10⁷, 2 x 10⁶, 3 x 10⁵

What is the number 455000 in scientific notation?

• 45.5 x 10⁵

• 4.55 x 10⁵

• 4.55 x 10^-5

• 455 x 10⁵

• 0.000000245

• 0.00000245

• 245,000,000

• 2,450,000