Scientific Notation - Division

When dividing numbers in scientific notation, what do you do to the exponents?
For example:
(4×10⁵) ∕ (3×10²)

• Add them
• Subtract them
• Keep them the same
• Divide them

Tags

CCSS.8.EE.A.4

Divide:

(6.9 x 10⁷) / (2.3 x 10^–3)

• 3 x 10¹⁰

• 3 x 10⁴

• 3 x 10^–4

• 3 x 10^–11

Solve:
(6 x 10⁶) / (2 x 10³)

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

Tags

CCSS.8.EE.A.4

(9 x 10¹⁸) ÷ (3 x 10¹⁶)

• 3 x 10²

• 6 x 10²

• 27 x 10³⁴

• 3 x 10³⁴

Tags

CCSS.8.EE.A.4

Divide: (8.4 x 10⁶)/(2.1 x 10³)

• 0.4 x 10⁴

• 400 x 10^-3

• 4 x 10³

• 4 x 10²

Tags

CCSS.8.EE.A.4

Solve:

(9 x 10^–6) / (3 x 10^–3)

• 27 x 10^–9

• 3 x 10^–3

• 3 x 10^–9

• 27 x 10^–3