10/29 Multiplying & Dividing Numbers in Scientific Notation

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

• Multiply them

• Add them

• Keep them the same

• Make them equal

Tags

CCSS.8.EE.A.4

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

• Keep them

• Add them

• Multiply them

Tags

CCSS.8.EE.A.4

(2 x 10⁹)(4 x 10^-4)

• 8 x 10¹³
• 8 x 10³⁶
• 8 x 10⁵
• 8 x 10^-36

Tags

CCSS.8.EE.A.4

(5x10¹⁰)(3x10⁷)

• 15x10¹⁷
• 1.5x10¹⁷
• 1.5x10¹⁸
• 1.5x9¹⁷

Tags

CCSS.8.EE.A.4

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

Tags

CCSS.8.EE.A.4

Solve:

(5.3 x 10²)(1.0 x 10²)

• 5.3 x 10⁴

• 5.3 x 10²

• 6.3 x 10²

• 53 x 10⁴

Tags

CCSS.8.EE.A.4

(3.4 x 10⁵)(1.2 x 10^-3)

• 4.08 x 10^-8

• 4.8 x 10²

• 4.08 x 10²

• 4.08 x 10^-15

Tags

CCSS.8.EE.A.4

Solve:

(2.2 x 10⁵)(4.5 x 10²).

• 9.9 x 10¹⁰

• 6.7 x 10⁷

• 9.9 x 10⁵

• 9.9 x 10⁷

Tags

CCSS.8.EE.A.4

(5 x 10⁶)(5 x 10⁷)

• 2.5 x 10¹²
• 2.5 x 10¹⁴
• 25 x 10¹²
• 25 x 10¹³

Tags

CCSS.8.EE.A.4

(9.6×10³)(6.7×10²)

• 64.32×10⁵
• 6.432×10⁶
• 64.32×10⁶
• 64.32×10⁵

Tags

CCSS.8.EE.A.4