Multiplication and Division and Scientific Notation

(1.25 × 10⁴ )(4 × 10⁴ )

• 6 × 10^7
• 5 .75× 10^8
• 5 × 10^6
• 5 × 10^8

What is the simplified version of
 (5.2 x 10¹³) / (1.3 x 10^-7)

• 3.9 x 10⁶
• 4 x 10²⁰
• 4 x 10⁶
• 3.9 x 10²⁰

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

• 2.535 x 10¹⁰
• 2.535 x 10¹⁸
• 2.535 x 10¹⁹
• 2.535 x 10⁹

DIVIDE
(9 x 10⁹) / (3 x 10⁴)

• 9 x 10⁵
• 3 x 10¹³
• 3 x 10¹⁴
• 3 x 10⁵

Multiply:
(3.4 x10⁵)(1.2 x10^-3)

• 4.08 x 10^-8
• 4.8 x 10²
• 4.08 x 10²
• 4.08 x 10^-15

Multiply:
(9 x 10⁶)(3 x 10⁵)

• 27 x 10¹²
• 3.8 x 10¹²
• 2.7 x 10¹²
• 2.93 x 10¹²

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

Solve: DIVIDE
(6 x 10⁶) / (2 x 10³)

• 12 x 10³
• 3 x 10⁹
• 1.2 x 10⁴
• 3 x 10³

Solve: DIVIDE
(9 x 10^-6) / (3 x 10^-3) 

• 27 x 10^-9
• 3 x 10^-3
• 3 x 10^-9
• 27 x 10^-3

What is the simplified version of

• 3.9 x 10⁶
• 4 x 10²⁰
• 4 x 10⁶
• 3.9 x 10²⁰