Add or Subtract in Scientific Notation

Add withing scientific notation 
(5.2 x 10⁷) + (3.01 x 10⁴)

• 5.20301 x 10¹¹

• 520301 x 10⁷

• 5.20301 x 10⁷

• 5.20301 x 10⁸

Add within scientific notation 
(6.2 x 10²) + (9.7 x 10⁰)

• .6297 x 10²

• 6.297 x 10⁰

• 6.297 x 10³

• 6.297 x 10²

What is the ONLY thing that matters when adding and subtracting numbers in scientific notation?

• That the exponents are different

• That the constants are the same

• That the exponents are the same

• That both constants are positive

What do you do to your exponents when you are multiplying in scientific notation?

• Subtract

• Multiply

• Divide

• Add

Find the combined mass of Earth and Venus. Earth is approximately 5.9 x 10²⁴ kg and Venus is approximately 4.9 x 10²² kg.

• Add

• Subtract

• Multiply

• Divide

In 2012, NYC’s population was about 8.1 × 10⁶ and Los Angeles' population was about 3.8 × 10⁶. What is the population of these two cities combined?

*THE FIRST FACTOR HAS TO BE BETWEEN 1 - 9.9

• 1.19 x 10^-7

• 1.19 x 10⁷

• 11.9 x 10⁶

• 1.19 x 10⁶

Subtract withing scientific notation 
(7.32 x 10⁶) - (4.01 x 10⁸)

• -3.937 x 10⁸

• 3.937 x 10⁸

• 3.937 x 10⁷

• 3.937 x ⁻²

What do you do to your exponents when you are dividing in scientific notation?

• Subtract

• Divide

• Multiply

• Add

When adding and subtracting in scientific notation, what do you do with the constants?

• Make them the same

• Add/subtract them

• Keep them

• Multiply/divide them

Add the scientific notation:

(6.2 x 10²) + (9.7 x 10⁰)

• .6297 x 10²

• 6.297 x 10⁰

• 6.297 x 10³

• 6.297 x 10²