Question Bank for Grade 8 Mathematics

If the exponent on your power of 10 is positive, is your number larger or smaller than 10?

• Larger
• Smaller

7.82 x 10^-6 is an example of scientific notation. The exponent of -6 tells you your number will be very ________.

• Large
• Small
• Basic

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

The factor multiplied by a power of 10 in scientific notation needs to be greater than or equal to one but less than ___________?

• 1
• 10
• 100
• 1,000

How would you write 0.0005 in scientific notation?

• 50 x 10⁵
• 5 x 10³
• .5 x 10³

The rule of scientific notation is to write all exponents with a base of ____.

• 50
• 5
• 100
• 10

Express the following in scientific notation:
0.0000002203

• .02203 x 10⁷
• 22.03 x 10^-6
• 2.203 x 10^-7
• 22.03 x 106