Adding and Subtracting Scientific Notation Same Exponents

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

Tags

CCSS.8.EE.A.4

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

Tags

CCSS.8.EE.A.4

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

Tags

CCSS.8.EE.A.1

Write the answer in scientific notation.

5.3 x 10⁵ + 3.7 x 10⁵ =

• 99.0 x 10⁵

• 9.9 x 10¹⁰

• 8.0 x 10⁵

• 9.0 x 10⁵

Tags

CCSS.8.EE.A.4

What is (5 x 10⁴) + (6.1 x 10⁴) written in standard form?

• 11.1 x 10⁸

• 1.11 x 10⁴

• 11,000

• 111,000

Tags

CCSS.8.EE.A.4

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

Tags

CCSS.8.EE.A.4

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

Tags

CCSS.8.EE.A.4