Scientific Notations Adding Subtracting Multiplying Dividing

How would you write 0.0005 in scientific notation?

• 50 x 10^-5

• 5 x 10^-4

• 5 x 10³

• .5 x 10³

Which number is correctly written in scientific notation?

• 5.67 x 10⁵

• 56.7 x 10³

• 0.567 x 10⁶

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 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

Give the sum of (2.6 x 10⁶) + (4.2 x 10⁶)

• 6.8 x 10⁶

• 6.8 x 10¹²

• 8.4 x 10⁶

• 3.2 x 10¹²

Give the difference of (7.2 x 10^-7) - (4.5 x 10^-7)

• 2.7 x 10^-7

• 2.7 x 10⁰

• 1.17 x 10^-7

• 3.3 x 10^-7

(2.3 x 10^-2)+(4.1 x 10^-2)=

• 6.4 x 10^-4

• 6.4 x 10^-2

• 6.4 x 10⁰

• .64 x 10^-1