Scientific Notation and sigfig

How would you write 0.0005 in scientific notation?

• 50 x 10⁴
• 5 x 10^-4
• 5 x 10-³
• .5 x 10³

How would you write 564,000,000 in scientific notation?

• 5.64 x 10^-7
• 5.64 x 10⁶
• 5.64 x 10⁸
• 56.4 x 10⁷

Express 7.89 x 10 ^-8 in common notation.

• 0.0000000789
• 0.789
• 0.00000789
• 0.000000000789

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

• 11
• 10.52
• 10.5
• 10

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

• 5
• 4
• 6
• 3

Solve & Round to Correct Sig Figs.
103.45 + 2 = 

• 105
• 104
• 105.45
• 106

Round 0.010229 to four sig figs

• 1022
• 1023
• 0.01023
• 0.01022

What is 98.907 rounded to 1 significant figure?

• 98.9
• 90
• 100
• 98.91

Calculate 7.987 m - 0.54 m and give your answer with the appropriate number of significant figures.

• 7.45 m
• 7.447 m
• 7.4 m
• 7.5 m

Calculate 1.23 m x 0.89 m and give your answer with the appropriate number of significant figures.

• 1.0 m²
• 1.1 m²
• 1.0947 m²
• 1.09 m²