Adding Numbers in Scientific Notation

(6 x 10⁴) + (3 x 10⁴)

• 9.0 x 10⁴

• 3.0 x 10⁴

• 9.0 x 10³

• 3.0 x 10⁰

(6.5 x 10^-5) + (3.1 x 10^-5)

• 9.6 x 10⁶

• 9.6 x 10⁵

• 9.6 x 10^-6

• 9.6 x 10^-5

(5 x 10^-4) + (9.2 x 10^-5)

• 5.92 x 10^-4

• 1.42 x 10^-4

• 9.7 x 10^-5

• 1.42 x 10⁶

(8.7 x 10^-7) + (3.23 x 10^-5)

• 1.193 x 10^-12

• 3.317 x 10^-5

• 3.317 x 10^-12

• 5.53 x 10^-2

In what types of problems do you have to make sure the exponents are the same before beginning to compute?

• Adding and Subtracting

• Multiplying and Dividing

• Subtracting and Dividing

• Adding and Multiplying

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

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 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