Scientific Notation and Sig Figs

If you have a number in scientific notation with a negative exponent, what does this tell you?

• You have a negative number

• You have a very large number

• Nothing

• You have a very small number

If you have a number in scientific notation that has a positive exponent what does this tell you?

• You have a very small number

• You do not need to move the decimal

• You have a very large number

• Nothing

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

• Add them

• Subtract them

• Multiply them

• Leave them alone

When subtracting two numbers in scientific notation, what do you do with the exponent?

• Leave them alone

• Leave them alone (But only if they match)

• Subtract them

• Add them

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

• Add them

• Subtract them

• Multiply them

• Leave them alone

Complete the operation:

(6 x 10^5) X (1 x 10^10)

• 7 x 10^15

• 6 x 10^-5

• 6 x 10^15

• 6 x 10^50

Complete the operation:

(4 x 10^3) + (8 x 10^3)

• 1.2 x 10^4

• 1.2 x 10^3

• 12 x 10^3

• 12 x 10^4

Complete the operation:

(8 x 10^-3) / (4 x 10^-8)

• 2 x 10^-11

• 2 x 10^-5

• 2 x 10^5

• 2 x 10^11

How do you write the number 0.000023 in scientific notation?

• 2.3 x 10^5

• 2.3 x 10^-5

• 23 x 10^4

• 23 x 10^-4

How do you write the number 9600 in scientific notation?

• 96 x 100

• 96 x 10^2

• 9.6x 10^2

• 9.6 x 10^3