Scientific Notation and Measurement

Convert to standard notation:
3.05 x 10⁵ 

• 305,000

• 305

• 3,050,000

• 30,500

Which number is correctly written in scientific notation?

• 5.67 x 10⁵

• 56.7 x 10³

• 0.567 x 10⁶

Write in standard form: 
8 x 10⁴

• 8,000

• 80,000

• 0.00008

Write in standard form: 
6.254 x 10⁶

• 6,254,000

• 6,254,000,000

• 625,400

Write in standard form: 
7.3003 x 10^-5

• .000073003

• .0000073003

• 730,030

Write in standard form: 
2.12 x 10^-3

• .00212

• .000212

• 2,120

Write in scientific notation: 
0.0079245

• 7.9245 x 10^-3

• 7.9245 x 10^-2

• 7.9245 x 10³

Add. 
(4.5 x 10⁸) + (2.67 x 10⁸)

• 7.17 x 10¹

• 7.17 x 10⁸

• 1.83 x 10⁸

Subtract.
(7 x 10⁴) - (4.2 x 10²)

• 6.958 x 10⁴

• 6.58 x 10⁴

• 6.958 x 10²

Add.
(8.31 x 10⁷) + (1.01 x 10⁴)

• 8.30899 x 10⁷

• 8.31101 x 10³

• 8.31101 x 10⁷