Scientific Notation Word Problems

What is 234,000,000 in scientific notation?

• 2.34 x 10⁸
• 23.4 x 10⁷
• 2.34 x 10^-8
• 2.34⁸

Tags

CCSS.6.EE.A.1

What is 0.0000312 in scientific notation?

• 3.12 x 10^-5
• 31.2 x 10^-6
• 3.12^-5
• 3.12 x 10⁵

Tags

CCSS.6.EE.A.1

What is the basic numeral for 2.35 x 10⁸?

• 235,000,000
• 23,500,000,000
• 0.0000000235
• 0.00000000235

Tags

CCSS.6.EE.A.1

What is the basic numeral for 1.05 x 10^-3 ?

• 0.00105
• 0.000105
• 1050
• 105000

Tags

CCSS.8.EE.A.3

1.75 x 10³ x 2.36 x 10¹¹ =

• 4.13 x 10¹⁴
• 4.13 x 10³³
• 41.3 x 10¹³
• 41,300,000,000

A particle of dust has a mass of 7.53 x 10^-10 kilograms. Find the mass of 5 billion dust particles.

• 3.765 kg
• 0.3765 kg
• 37.65 kg
• 376.5 kg

Tags

CCSS.8.EE.A.4

The mass of he sun is 1.989 x 10³⁰ kilograms. The mass of the earth is 5.98 x 10²⁴ kilograms. How many times bigger is the sun than the earth?

• 3.326 x 10⁵
• 3.326 x 10⁶
• 1.99 x 10³⁰
• 1.99 x 10⁶

Tags

CCSS.6.EE.A.1

CCSS.6.RP.A.1

CCSS.6.RP.A.3

The population of Mathville is 5.6 x 10³. The population of Algeville is 1.3 x 10⁴. How many more people are there in Algeville?

• 7400
• 740
• 7.4 x 10⁴
• 7.4 x 10¹

Tags

CCSS.6.EE.A.1

CCSS.6.NS.B.3

CCSS.6.EE.B.7

There are approximately 3.1 x 10⁸ people in the United States. If each person has 4.1 x 10¹ coins, how many coins are there altogether?

• 1.271 x 10¹⁰
• 1.271 x 10⁹
• 1.271 x 10¹¹
• 1.271 x 10⁸

Tags

CCSS.6.EE.A.1

CCSS.6.NS.B.3

By area, Russia is the largest country in the world. It has an area of 8.649 x 10⁶ square miles. Canada is second with 4.797 x 10⁶ square miles. What is the difference in area?

• 3.852 x 10⁶ square miles
• 3.852 x 10⁰ square miles
• 1.803 x 10⁶ square miles
• 1.803 x 10¹ square miles

Tags

CCSS.8.EE.A.4