Scientific Notation

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

• 50
• 5
• 100
• 10

If the exponent is a positive number the original number was...

• a really big number.

• a really small number.

If the exponent is a negative number the original number was...

• a really large number.

• a really small number.

Which number is correctly written in scientific notation?

• 8.2 x 10²
• 82 x 10⁷
• 3.45 x 9⁴

Which number is correctly written in scientific notation?

• 5.67 x 10⁵
• 56.7 x 10³
• 0.567 x 10⁶

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

Which is the correct coefficient of 23,400,000 when it is written in scientific notation?

• 0.234

• 2.34

• 234.

• 23.4

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: 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:  0.000398

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