To and From Scientific Notation

Light travels at a rate of 186,000 miles per second.  Write this number in scientific notation.

• 86 x 10⁵

• 86 x 10⁴

• 18.6 x 10⁴

• 186 x 10³

When a number starts with a decimal like this, should the exponent be positive or negative?

• positive

• negative

When writing a number in scientific notation, the first number must be greater than 1, but less than 10.

• False

• True

Which of the following is correct scientific notation?

• 20.35 x 10⁴

• .2035 x 10⁴

• 2035 ⁴

• 2.035 x10⁴

How would you write 4.3756 x 10⁴ in standard form?

• 437,560,000

• 0.00043756

• 43,756

• 4,3756

How would you write 0.0005 in scientific notation?

• 50 x 10^-5

• 5 x 10^-4

• 5 x 10³

• .5 x 10³

How do you write
8.317 x 10⁶
in standard form?

• 8, 371, 000

• 83, 170, 000

• 837, 100

• 8, 317, 000

Write 7.113 x 10⁷ in standard form.

• 71,130,000

• 7,113,000

• 0.0000007113

• 7,113

Write 7.8 x 10^-3  in standard form.

• 0.0078

• 7,800

• 78

• 0.078

Write 2.08 x 10²  in standard form.

• 208

• 0.0208

• 20,800

• 0.208