Scientific Notation

Change from standard form to scientific notation: 12,000,000

• 12.0  x  10⁷
• 0.12  x  10⁷
• 1.2  x  10⁶
• 1.2  x  10⁷

Change from standard form to scientific notation:  450,000

• 4.5  x  10⁵
• 45  x  10⁵
• 4.5  x  10⁴
• 4.5  x  10⁶

Change from standard form to scientific notation:  0.000398

• 39.8  x  10^-5
• 3.98  x  10^-5
• 3.98  x  10^-4
• 39.8  x  10^-6

Change from standard form to scientific notation: 0.004078

• 4.078  x  10^-3
• 4.078  x  10³
• 40.78  x  10^-4
• .4078  x  10^-2

• .000000045

• .0045

• 450,000,000

• 45,000

• .00000079

• 79,000

• 79,000,000

• 790

The mass of a Chromebook is approximately 0.00185 metric ton. How is this number written in scientific notation?

• 185 × 10⁻⁵

• 1.85 × 10⁻³

• 18.5 × 10⁻⁴

• 0.185 × 10⁻²

The distance from Venus to Sun is 6,700,000 miles. How is this number expressed in scientific notation?

• 67 × 10⁻⁵

• 6.7 × 10⁶

• 0.67 × 10⁷

• 6.7 × 10⁻⁶

Mrs. Gilbert used a microscope to measure the diameter of her pet's hair. She found that the diameter of the hair was 0.000054 meter. How is this number written in scientific notation?

• 5.4 × 10⁻⁵

• 5.4 × 10⁶

• 5.4 × 10⁵

• 5.4 × 10⁻⁶