Scientific Notation Word Problems

A computer's hard disk drive holds 8 x 10⁷ bytes of information.  If Jill buys an extra memory stick that holds 3 x 10⁶ bytes of information, how much memory will the computer hold?

• 11 x 10¹³
• 11 x 10⁷
• 8.3 x 10¹³
• 8.3 x 10⁷

Tags

CCSS.8.EE.A.4

As part of a community service project, a class planted 7x10⁵  trees in a year.  If there are 3.5x10³ students in the school, how many trees did each student plant?

• 2 x 10⁸
• 2 x 10²
• 3.5 x 10⁸
• 3.5 x 10²

Tags

CCSS.8.EE.A.4

CCSS.8.EE.A.3

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.8.EE.A.4

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