Operations on Numbers Expressed Using Scientific Notation

Evaluate each expression. Give al final answers in scientific notation.

Mathematical Equivalence

OFF

Divide. Give the quotient in scientific notation.

(3 x 10^-5)/(4 x 10²)

• 7.5 x 10^-3

• 7.5 x 10^-8

• .75 x 10^-7

•  7.0 x 10²

Divide.

Write the answer in scientific notation.

3.9 x 10⁷

---------------

1.3 x 10³

• 3 x 10⁴

• 0.3 x 10⁵

• 3.3 x 10⁴

• 3 x 10¹⁰

Divide the numbers in scientific notation: 6.8 * 10^5 / 3.4 * 10^3 equals?

• 2 * 10^2

• 2 * 10^-2

• 3 * 10^2

• 3 * 10^-2

A person has $1.15 x 10^3 in their savings account. They spent $6.75 x 10^2 on their living expenses. How much money is left in their savings account?

Mathematical Equivalence

ON

Match the process to the correct way to solve

• Multiply the decimals, ADD the exponents

• Multiplying with Scientific Notation

• Divide the decimals, SUBTRACT exponents

• Adding and Subtracting with Scientific Notation

• Make the exponents MATCH, +/- decimals

• Dividing with Scientific Notation

The table below shows the debt of the three most populous states and the three least populous states. What is the sum of the debts for the three most populous states? Express your answer in scientific notation.

• 892 x 10^6

• 1.02 x 10^12

• 892 x 10^3

• 1.02 x 10^7

Match the following

• subtract the exponents

• LARS

• must be written between 1 and 10

• Scientific notation

• add the exponents

• adding scientific notation

• Left, Add

  Right, Subtract

• dividing scientific notation

• exponents must match

• multiplying scientific notation

The table below shows the debt of the three most populous states and the three least populous states. Part A.) What is the sum of the debts for the three most populous states? Express your answer in scientific notation.

• 1.892 x 10^6

• 1.02 x 10^12

• 1.892 x 10^3

• 1.02 x 10^7

What is the quotient of: (6.9 x 10⁷) / (2.3 x 10^-3)

• 3 x 10¹⁰

• 3 x 10⁴

• 3 x 10^-4

• 3 x 10^-11