Multiplying Dividing Adding Subtracting Scientific Notation

When multiplying numbers in scientific notation, what do you do to the leading numbers?
For example:
(4×10⁵)(3×10⁻²)

• Keep them the same

• Divide them

• Add them

• Multiply them

What do you do to your exponents when you are dividing in scientific notation?

• Subtract

• Divide

• Multiply

• Add

What do you do to your exponents when you are multiplying in scientific notation?

• Subtract

• Multiply

• Divide

• Add

(6 x 10⁶) x (2 x 10³)

• 2 x 10¹⁰

• 8 x 10⁹

• 1.2 x 10⁸

• 8 x 10¹⁰

What is the simplified form of
(3.25 x 10³)(7.8 x 10⁶)

• 2.535 x 10¹⁰

• 2.535 x 10¹⁸

• 2.535 x 10¹⁹

• 2.535 x 10⁹

(5.3 x 10²) x (1.0 x 10²)

• 5.3 x 10⁴

• 5.3 x 10²

• 6.3 x 10²

• 53 x 10⁴

(9.6×10³) × (6.7×10²)

• 64.32×10⁵

• 6.432×10⁶

• 64.32×10⁶

• 64.32×10⁵

(8.4 * 10⁶)/(2.1 * 10³)

• 0.4 * 10⁴

• 400 * 10^-3

• 4 * 10³

• 4 * 10²

(No Calculator)
(3 x 10⁸) x (2 x 10¹²)

• 6 x 10²⁰

• 5 x 10²⁰

• 6 x 10⁹⁶

• 5 x 10⁹⁶

(9 x 10⁶) \ (3 x 10²⁾

• 27 x 10⁴

• 2.7 x 10⁵

• 3 x 10¹²

• 3 x 10⁴