Estimating in Scientific Notation

0.0067

• 6.7x10^-4

• 6.7x10³

• 6.7x10^-5

• 6.7x10^-3

0.0090413

• 9 x 10^-3

• 904.13 x 10^-5

• 9.0413 x 10^-3

• 90413 x 10^-7

8.025 x 10^-8

• .00000008025

• .000000008025

• 802,500,000,000

• 80,250,000,000

3.46 x 10^-6 = ___________________.

• 0.000000346

• 0.0000346

• 0.00000346

• 0.000346

4.2 x 10⁶

• 4,200,000

• 0.0000042

• 42,000,000

• 0.00042

Express in standard form.

• A

• B

• C

• D

The circumference of the Earth at the equator is about 24,900 miles. Express this number in scientific notation.

• 249x10²

• 2.49x10²

• 2.49x10⁴

• 24.9x10⁴

5.9 x 10⁴

• 59000.

• 590000000

2,560,000

• 2.56×10⁶

• 6.6x10^-5

• 36

• 55

Express in standard form.

• A

• B

• C

• D