Math 8 Unit 7: Scientific Notation

Which number is correctly written in scientific notation?

• 5.67 x 10⁵
• 56.7 x 10³
• 0.567 x 10⁶

Which number is correctly written in scientific notation?

• 8.2 x 10²
• 82 x 10⁷
• 3.45 x 9⁴

Which number is correctly written in scientific notation?

• 3.2867 x 10^-7
• 21.8689 x 10^-4
• 0.1537 x 10⁵

Write in standard form: 
8 x 10⁴

• 8,000
• 80,000
• .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 scientific notation: 
0.0000378 

• 3.78 x 10^-5
• 3.78 x 10^-6
• 0.378 x 10^-5

Write in scientific notation: 
540,020,000

• 5.4002 x 10⁸
• 5.4 x 10⁸
• 5.4002 x 10⁴

Write 9,450,000 in scientific notation.

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

Light travels at a rate of 186,000 miles per second.  Write this number in scientific notation.

• 1.86 x 10⁵
• 1.86 x 10⁴
• 18.6 x 10⁴
• 186 x 10³