Scientific notation and Significant Figures

How many significant figures does 1.90 have?

• 2

• 4

• 3

• 8

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

Solve & Round to Correct Sig Figs.
4.5 x 2.34 = 

• 11
• 10.52
• 10.5
• 10

1345.567 / 23.56 = ? (Round to correct significant figures!)

• 57.11
• 58.11
• 56.75
• 83.49

Express 7.89 x 10^-8 in standard form.

• 0.0000000789
• 0.789
• 0.00000789
• 0.000000000789

Express 23400 in proper scientific notation. 

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

How many significant figures does the following number have: 0.002040

• 6
• 4
• 3
• 2

How many Significant Figures in the number below?
4.56 x 10³

• 5
• 4
• 6
• 3