Scientific notation/multiply/division

Frankie is a student who loves to keep his study area clean. One day, he decided to clean out his math notebook which had a thickness of approximately 1.3 x 10^-2 inches per page. After cleaning, he ended up with a stack of 243 pieces of paper. Can you help Frankie figure out how tall his paper stack was?

• 5.3498 x 10^-5 

• 5.3498 x 10⁵ 

• 3.159 x 10⁰

• 3.159 x 10¹

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

Tags

CCSS.8.EE.A.4

Multiply:
(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:
(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

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

Tags

CCSS.8.EE.A.4

What is the simplified version of

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

Tags

CCSS.8.EE.A.4

(9.21 x 10⁹) / (6 x 10⁴)

• 1.535 x 10¹³
• 55.26 x 10¹³
• 5.526 x 10¹⁴
• 1.535 x 10⁵

Tags

CCSS.8.EE.A.4

(2 x 10⁷) x (4 x 10^-3)

• 8 x 10¹⁰

• 8 x 10^-4

• 8 x 10^-10

• 8 x 10⁴

Tags

CCSS.8.EE.A.4

(3 x 10⁸) x (2 x 10¹²)

• 6 x 10²⁰

• 5 x 10²⁰

• 6 x 10⁹⁶

• 5 x 10⁹⁶

Tags

CCSS.8.EE.A.4

(7 x 10¹²) x (2 x 10¹⁰)

• 1.4 x 10²²

• 1.4 x 10²³

• 1.4 x 10²¹

• 9 x 10²²

Tags

CCSS.8.EE.A.4