2-7 Multiplying and Dividing Scientific Notation

What is scientific notation?

• A long way to write numbers containing a few digits
• A short way to write numbers containing many, many digits
• A number written without exponents
• None of the above

Tags

CCSS.8.EE.A.3

Which of these numbers are NOT in scientific notation?

• 1.2 x 10³
• 5.3 x 10⁹
• 2.0 x 10⁰
• 10 x 10²

Tags

CCSS.8.EE.A.4

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

• Subtract

• Divide

• Multiply

• Add

Tags

CCSS.8.EE.A.4

When multiplying numbers in scientific notation, what do you do to the leading numbers?
For example:
(4×10⁵)(3×10⁻²)

• Keep them the same
• Divide them
• Add them
• Multiply them

Tags

CCSS.8.EE.A.4

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

• Subtract

• Multiply

• Divide

• Add

Tags

CCSS.8.EE.A.4

If you add to your exponent of 10, you move your decimal...

• Left

• Right

• Up

• Down

Tags

CCSS.5.NBT.A.2

If you subtract from your exponent of 10, you move your decimal to the ....

• Right

• Left

• North

• South

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

Which of the following is correct scientific notation?

• 20.35 x 10⁴
• .2035 x 10⁴
• 2035 ⁴
• 2.035 x10⁴

Tags

CCSS.8.EE.A.4

If the exponent is a positive number the original number was...

• a really big number.

• a really small number.

Tags

CCSS.8.EE.A.3