Operations and Applications w/ Scientific Notation

Give the difference in scientific notation.

(8.7 x 10⁹) - (2.5 x 10⁷)

• 6.2 x 10²

• 6.2 x 10⁹

• 7.23 x 10⁷

• 8.675 x 10⁹

Multiply. Give the product in scientific notation.

(9.6×10³) × (6.7×10²)

• 6.432×10⁵

• 6.432×10⁶

• 6.432×10¹

Divide. Give the quotient in scientific notation.

(3 x 10^-5)/(4 x 10²)

• 7.5 x 10^-3

• 7.5 x 10^-8

• .75 x 10^-7

•  7.0 x 10²

Give the sum of (8.7 x 10⁵) + (7.32 x 10⁷) in scientific notation

• 16.02 x 10⁷

• 7.407 x 10⁵

• 7.407 x 10⁷

• 1.602 x 10⁷

UNDERSTANDING:
The first number in scientific notation must be...

• between and including 0 and 10
• between and including 1 and 9.9999
• between and including 0 and 9.999
• between and including 1 and 10 

3. In the year 2000, the United States public debt was about 5.6 x 10¹² dollars.  The population of the United States in that year was about 2.8 x 10⁸ people.  What was the average debt per person?

• Add
• Subtract
• Multiply
• Divide