Scientific Notation Multiply/Divide

What is the simplified version of

• 3.9 x 10⁶

• 4 x 10²⁰

• 4 x 10⁶

• 3.9 x 10²⁰

Multiply:
(9.4 x 10⁶)(3.2 x 10⁵)

• 30.08 x 10¹¹

• 3.8 x 10¹

• 3.008 x 10¹²

• 2.9375 x 10¹

(9.6×10³) × (6.7×10²)

• 64.32×10⁵

• 6.432×10⁶

• 64.32×10⁶

• 64.32×10⁵

(9.6×10^-8)÷(2×10^-15)

• -4.8×10⁷

• 4.8×10⁷

• 4.8×10^-7

• -4.8×10^-7

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

Divide:
(6.9 x 10⁷) / (2.3 x 10^-3)

• 3 x 10¹⁰

• 3 x 10⁴

• 3 x 10^-4

• 3 x 10^-11

When multiplying in scientific notation, what do you do with the decimal numbers?

• Keep them

• Add them

• Multiply them

When dividing in scientific notation, what do you do with the decimal numbers?

• Subtract them

• Keep them

• Divide them

 $\frac{1.05\times10^{12}}{5\times10^4}$  

•  $0.21\times10^3$  

•  $2.1\times10^7$  

•  $0.21\times10^8$  

•  $2.1\times10^9$