Change from standard form to scientific notation: 12,000,000

• 12.0  x  10⁷
• 0.12  x  10⁷
• 1.2  x  10⁶
• 1.2  x  10⁷

Change from standard form to scientific notation:  0.000398

• 39.8  x  10^-5
• 3.98  x  10^-5
• 3.98  x  10^-4
• 39.8  x  10^-6

Which number is correctly written in scientific notation?

• 5.67 x 10⁵
• 56.7 x 10³
• 0.567 x 10⁶

Tags

CCSS.8.EE.A.3

50.1 x 10^-3  >  4.8 x 10^-1

• True
• False

Tags

CCSS.8.EE.A.4

4.81 x 10^-3  >  4.8 x 10^-3

• True
• False

Tags

CCSS.1.NBT.B.3

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.3

Which number is the greatest?

• 525,000

• 255,000

• 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:  

5,000

   3.2 x 10⁸  

120,000,000

 7 x 10⁵ 

•  7 x 10⁵ ,  5,000 ^,  3.2 x 10⁸,  120,000,000

•  3.2 x 10⁸, 120,000,000,  7 x 10⁵, 5,000

• 120,000,000, 3.2 x 10⁸,  5,000 , 7 x 10⁵ 

Tags

CCSS.8.EE.A.3

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.4