Understanding and writing numbers in scientific notation

Convert to scientific notation.
35,000,000

• 35 x 10⁶
• 3.5 x 10⁷
• 3.5 x 10⁶
• 35 x 10⁷

Put the following number in scientific notation:

0.062

• 0.62 x 10¹

• 62

• 6.2 x 10^-2

• 6.2 x 10²

Convert to Standard Form:
 $8.1\times10^5$  

• 810,000

• 8,100,000

• 0.0000081

• 0.000081

Write the number in standard notation.
4.27 x 10¹

• 4.27
• 42.7
• .0427
• 0.0427

Write 0.00045 in scientific notation.

• 4.5 x 10^-4

• 4.5 x 10^-5

• 4.5 x 10⁴

• 4.5 x 10⁵

Write 0.00029 in scientific notation.

• 2.9 x 10^-4

• 2.9 x 10^-5

• 2.9 x 10⁴

• 2.9 x 10⁵

•  23,800,000

• 0.0000238

• 2.38000

• 238,000

Convert to Standard Form:
 $5.01\times10^7$  

• 50,100,000

• 5,010,000,000

• 0.0000000501

• 0.000000501

Write in standard form: 
6.254 x 10⁶

• 6,254,000
• 6,254,000,000
• 625,400

Put the following number in scientific notation:
4,281

• 4.281 x 10³
• 0.4281 x 10⁴
• 4.281 x 10^-3
• 42.81 x 10²