Chemistry Semester Final Practice

Write 7.113 x 10⁷ in standard form.

• 71,130,00
• 7,113,000
• 0.0000007113
• 7,113

Tags

CCSS.8.EE.A.3

Write 0.00000707 in scientific notation.

• 7.07 x 10^-6
• 7.07 x 10⁶
• 707 x 10⁸
• 707 x 10^-8

Write 2.08 x 10²  in standard form.

• 208
• 0.0208
• 20,800
• 0.208

Tags

CCSS.8.EE.A.3

Write 7.8 x 10^-3  in standard form.

• 0.0078
• 7,800
• 78
• 0.078

Tags

CCSS.8.EE.A.3

Write 8.73 x 10^-4  in standard form.

• 0.000873
• 0.0873
• 87,300
• 8,730

Write 6,700 in scientific notation.

• 6.7 x 10³
• 6.7 x10^-3
• 67 x 10²
• 67 x 10^-2

Write 52,300,000 in scientific notation.

• 5.23 x 10⁷
• 5.23 x 10^-7
• 52.3 x 10⁶
• 52.3 x 10^-6

Tags

CCSS.8.EE.A.3

Write 0.037 in scientific notation.

• 3.7 x 10^-2
• 3.7 x 10²
• 37 x 10^-3
• 37 x 10³

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

Arrange the numbers from least to greatest:
216,000,000 ; 2.2 x 10³ ; 3.1 x 10⁷ ; 310,000

• 2.2 x 10³ ; 310,000; 3.1 x 10⁷ ; 216,000,000
• 310,000 ; 2.2 x 10³ ; 3.1 x 10⁷; 216,000,000
• 3.1 x 10⁷ ; 310,000; 2.2 x 10³; 216,000,000
• 2.2 x 10³ ; 3.1 x 10⁷ ; 310,000 ; 216,000,000

Tags

CCSS.8.EE.A.3