Scientific Notation Operation

(8.4 * 10⁶)/(2.1 * 10³)

(2 x 10^-5)+ (7 x 10^-5)

(8 x 10⁴) + (4 x 10⁴)

(8 x 10⁴) - (2 x 10⁴)

Match the process to the correct way to solve

Match the following

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.

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.

(2 x 10⁹)(4 x 10^-4)

(5 x 10⁶)(5 x 10⁷)