Comparing scientific notation

Which of the following numbers is the least?

• 7 x 10⁸
• 7.1 x 10⁸
• 7 x 10⁹
• 7.1 x 10⁹

Tags

CCSS.8.EE.A.4

Which number is the greatest?

• 5.25 x 10⁵
• 2.55 x 10⁵
• 5.55 x 10⁵
• 5 x 10⁵

Tags

CCSS.8.EE.A.3

The diameter of the planet Mercury is 4.87 x 10³ km.  The diameter of the planet Venus is 1.21 x 10⁴ km. The diameter of the planet Mars is  1.28 x 10³ km.    Which planet has the smallest diameter?

• Mercury
• Mars
• Venus

Tags

CCSS.8.EE.A.3

Order the following from greatest to least:
 5 x 10³ 
 3.2 x 10⁸
 1.2 x 10⁸
 7 x 10⁵ 

•  7 x 10⁵ ,  5 x 10³ ,
   3.2 x 10⁸,  1.2 x 10⁸
•  3.2 x 10⁸, 1.2 x 10⁸,  7 x 10⁵, 5 x 10³ 
•  1.2 x 10⁸, 3.2 x 10⁸,
   5 x 10³ , 7 x 10⁵ 

Tags

CCSS.8.EE.A.3

Which of these numbers is greatest?

•  9 x 10⁹ 
•  8 x 10⁹ 
•  9 x 10⁸ 
•  8 x 10⁸ 

Tags

CCSS.8.EE.A.3

Which of these numbers is the greatest?

• 5.406 x 10⁸
• 5.504 x 10⁷
• 5.604 x 10⁹
• 6.504 x 10⁸

Tags

CCSS.8.EE.A.3

Which is the smallest?
1.3 x 10²⁰
2.9 x 10²¹
9.5 x 10³²
8.4 x 10¹⁹

• 1.3 x 10²⁰
• 2.9 x 10²¹
• 9.5 x 10³²
• 8.4 x 10¹⁹

Tags

CCSS.8.EE.A.3

Which of the following is the GREATEST in value?

• 3 x 10⁷
• 8 x 10⁶
• 3.56 X 10⁰
• 9.2 X 10^-5

Tags

CCSS.8.EE.A.3

50.1 x 10^-3  >  4.8 x 10^-1

• True
• False

Tags

CCSS.8.EE.A.4

The table shows the mass in grams of one atom of each of several elements. List the elements in order from the least mass to greatest mass per atom.

• hydrogen, carbon, oxygen, silver, gold
• hydrogen, oxygen, gold, siver, carbon
• carbon, oxygen, silver, gold, hydrogen
• gold, oxygen, carbon, silver, hydrogen

Tags

CCSS.8.EE.A.3