Comparing numbers written in scientific notation

Which of the following numbers is the least (smallest)?

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

Tags

CCSS.6.EE.A.1

CCSS.6.NS.C.7

Which number is the greatest?

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

Tags

CCSS.6.EE.A.1

CCSS.6.NS.C.7

The diameter of the planet Mercury is 4.87 x 10³ kilometers. The diameter of the planet Venus is 1.21 x 10⁴ kilometers. The diameter of Earth is 1.28 x 10⁴  kilometers. The diameter of Mars is 6.79 x 10³ kilometers. Which planet has the smallest diameter?

• Mercury
• Earth
• Venus
• Mars

Tags

CCSS.6.EE.A.1

CCSS.6.NS.C.7

Which of these numbers is the least?

• 3.5 x 10⁷
• 5 x 10⁷
• 3 x 10⁷
• 5.5 x 10⁷

Tags

CCSS.6.NS.C.7

Order the following from least to greatest.

• 6.8 x 10⁶
  6.6 x 10⁶
  6.1 x 10⁶
  6 x 10⁶
• 6 x 10⁶
  6.1 x 10⁶
  6.6 x 10⁶
  6.8 x 10⁶
• 6 x 10⁶
  6.6 x 10⁶
  6.8 x 10⁶
  6.1 x 10⁶

Tags

CCSS.1.NBT.B.3

Which of these numbers is the greatest?

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

Tags

CCSS.6.EE.A.1

CCSS.6.NS.C.7