Scientific Notation and Significant figures

How many significant figures does the following number have: 0.998005

• 9
• 10
• 6
• 5

Tags

CCSS.8.EE.A.4

How many significant figures does 1.90 have?

• 2

• 4

• 6

• 8

Tags

CCSS.8.EE.A.4

Round 0.010229 to four sig figs

• 1022
• 1023
• 0.01023
• 0.01022

Tags

CCSS.8.EE.A.3

Round 1009 to three sig figs

• 100
• 101
• 1010
• 1000

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Round 1047.78 to three sig figs

• 104
• 105
• 1050
• 1050.00

Tags

CCSS.5.NBT.A.4

Express 7.89 x 10^-8 in common notation.

• 0.0000000789
• 0.789
• 0.00000789
• 0.000000000789

Tags

CCSS.8.EE.A.3

Express 23400 in proper scientific notation. 

• 2.34 x 10⁴
• 2.3 x 10³
• 2.30 x 10⁵
• 2.34 x 10³

The diameter of a carbon atom is 0.000 000 000 154 m. What is this number expressed in scientific notation?

• 1.54 x 10¹² m
• 1.54 x 10^-12 m
• 1.54 x 10¹⁰ m
• 1.54 x 10^-10 m

Tags

CCSS.8.EE.A.3

How many significant figures does the following number have: 0.002040

• 6
• 4
• 3
• 2

Which of the following is correct scientific notation?

• 20.35 x 10⁴
• .2035 x 10⁴
• 2035 ⁴
• 2.035 x10⁴

Tags

CCSS.8.EE.A.3