Scientific Notation and Expanded Form

The expanded form of 3.4 x 10⁴ is

• 0.00034

• 340

• 3400

• 34000

Convert 67,400,000 to proper scientific notation.

• 6.74 x 10⁷

• 67.4 x 10⁶

• 6.74 x 10^-7

• 674 x 10⁵

The correct scientific notation for this number is: 67,400,000

• 6.74 x 10⁷

• 67.4 x 10⁶

• 6.74 x 10^-7

• 674 x 10⁵

The first number in scientific notation must be...

• Bigger than 0 and smaller than 10

• Bigger than 1 and smaller than 10

• Bigger than 1 and smaller than 9

• Bigger than 0 and smaller than 9

• 0.00009132

• 0.00000009132

• 0.000000009132

• 0.00000009312

• 
• 
• 
• 

• 0.012

• 0.12

• 1.2

• 12

Write the number in Scientific Notation

Mathematical Equivalence

OFF

The closest galaxy to our own is over 2,500,000 light years away.  Write this number is scientific notation.

• 2.5 x 10⁷

• .25 x 10⁷

• 25 x 10⁵

• 2.5 x 10⁶