Standard Notation and Scientific Notation

Which of the following is NOT true of scientific notation?

• The number in front must be between 1 and 9.9

• The exponent tells you how many times the decimal was moved

• It shortens big numbers

• It doesn't always contain x10

What is 9.2 x 10⁴ in standard notation?

• 9,200

• 92,000

• 920,000

• 920

What is 2.8 x 10^-4 in standard notation?

• 28,000

• 280,000

• .00028

• .000028

What is 7.0 x 10⁸ in standard notation?

• 7,000,000,000

• 70,000,000

• 700,000,000

• .000000007

What is 2.0x 10^-6 in standard notation?

• 200,000

• 2,000,000

• .000002

• .0000002

What is 1 in scientific notation?

• 1

• 1 x 10^-1

• 1 x 10^-1

• 1 x 10⁰

What is 2.8 x 10³ in standard notation?

• 28,000

• 2,800

• .0028

• .00028

Write 7.8 x 10^-3  in standard form.

• 0.0078

• 7,800

• 78

• 0.078

Write 6,700 in scientific notation.

• 6.7 x 10³

• 6.7 x10^-3

• 67 x 10²

• 67 x 10^-2

How would you write 0.0005 in scientific notation?

• 50 x 10⁵

• 5 x 10⁴

• 5 x 10³

• .5 x 10³