Scientific Notation Operation Review

Write the answer in scientific notation.
7.3 x 10⁵  +   3.7 x 10⁵  =

• 11.0 x 10⁵

• 1.1 x 10¹⁰

• 1.10 x 10¹¹

• 1.1 x 10 ⁶

Q1. What is the value of the following expression?

• 3.9 x 10⁶

• 4 x 10²⁰

• 4 x 10⁶

• 3.9 x 10²⁰

(1.25 × 10^4 )(4 × 10^4 )

• 6 × 10^7

• 5 .75× 10^8

• 5 × 10^6

• 5 × 10^8

(3.6 X 10^-2) + (4.0 X 10^-1)= 

• 4.36 X 10^-1

• 4.36 X 10^-2

• 7.6 X 10^-1

• 7.6 X 10^-2

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

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 following

• Left, Add

  Right, Subtract

• LARS

• must be written between 1 and 10

• Scientific notation

• subtract the exponents

• multiplying scientific notation

• exponents must match

• dividing scientific notation

• add the exponents

• adding scientific notation

Match the process to the correct way to solve

• Divide the decimals, SUBTRACT exponents

• Adding and Subtracting with Scientific Notation

• Multiply the decimals, ADD the exponents

• Dividing with Scientific Notation

• Make the exponents MATCH, +/- decimals

• Multiplying with 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

Divide:
(6.9 x 10⁷) / (2.3 x 10^-3)

• 3 x 10¹⁰

• 3 x 10⁴

• 3 x 10^-4

• 3 x 10^-11