Scientific Notation

When multiplying numbers in scientific notation, what do you do with the exponents?

• Multiply them

• Add them

• Keep them the same

• Make them equal

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

Write the answer in scientific notation.

4.1 x 10⁵ + 5.5 x 10⁶ =

• 5.91 x 10⁶

• 9.6 x 10⁵

• 9.6 x 10¹¹

• 4.65 x 10⁵

Find the difference.

(3.8 x 10⁴) - (2 x 10³)

• 1.8 x 10⁴

• 1.8 x 10¹

• 3.6 x 10¹

• 3.6 x 10⁴

Arrange the numbers from least to greatest:
216,000,000 ; 2.2 x 10³ ; 3.1 x 10⁷ ; 310,000

• 2.2 x 10³ ; 310,000; 3.1 x 10⁷ ; 216,000,000

• 310,000 ; 2.2 x 10³ ; 3.1 x 10⁷; 216,000,000

• 3.1 x 10⁷ ; 310,000; 2.2 x 10³; 216,000,000

• 2.2 x 10³ ; 3.1 x 10⁷ ; 310,000 ; 216,000,000

When dividing in scientific notation, what do you do with the exponents?

• Subtract them

• Divide them

• Keep them the same

• Make them equal

When dividing in scientific notation, what do you do with the constants?

• Subtract them

• Keep them

• Divide them

When multiplying in scientific notation, what do you do with the constants?

• Keep them

• Add them

• Multiply them

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

Cell C is ___ larger than cell A.

• 2x

• 20x

• .2x

• 4x