Compute With Scientific Notation

Solve:
(2.1×10​²​​) × (3.0×10​⁴)

• 5.1 x 10²

• 6.3 x 10⁶

• 5.1 x 10⁶

• 6.3 x 10⁸

Divide.

• 3.9 x 10⁶

• 4 x 10²⁰

• 4 x 10⁶

• 3.9 x 10²⁰

Find the sum
(4x10²)+ (5.1x10²)

• 9.1 x 10⁴

• 9.1 x 10²

• 5.5 x 10

• 20.4 x 10⁴

(7.32 x 10⁶) - (4.01 x 10⁸)

• -3.937 x 10⁸

• -3.94 x 10⁸

• 3.937 x 10⁷

• 3.937 x ⁻²

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

How would you write 0.0005 in scientific notation?

• 50 x 10⁵

• 5 x 10^-4

• 5 x 10⁴

• .5 x 10³

The Statue of Liberty weighs 450,000 pounds. What is this number written in scientific notation?

• 4.5 x 10^-5

• 45 x 10^-4

• 45 x 10⁴

• 4.5 x 10⁵

(8 x 10⁴) - (2 x 10⁴)

• 16 x 10¹⁶

• 16 x 10⁸

• 6 x 10⁸

• 6 x 10⁴

How would you write 4.3756 x 10⁴ in standard form?

• 437,560,000

• 0.00043756

• 43,756

• 4,3756

(5 x 10⁶)(5 x 10⁷)

• 2.5 x 10¹²

• 2.5 x 10¹⁴

• 25 x 10¹²

• 25 x 10¹³