Real Number System and Scientific Notation

How is 123,000,000,000 expressed in scientific notation?

A person weighing 150 pounds will have, on average, 0.000021 pounds of gold in his body. How is this amount of gold expressed in scientific notation?

How would you write 4.3756 x 10⁴ in standard form?

• 437,560,000

• 4375.6

• 0.00043756

• 43,756

Express 0.0000000345 in scientific notation.

• 3.45 × 10⁷

• 3.45 × 10^-7

• 3.45 × 10^-8

• 3.45 × 10⁸

• A

• B

• C

• D

Write the standard form.    8.98 x 10⁵

• 89800000

• 8980000

• 8.9800000

• 898000

If you change 46,320,000 to scientific notation, what would be the exponent used with the 10?

Which of the following numbers is written in scientific notation?

• 20.35 x 10⁴

• .2035 x 10⁴

• 2035 ⁴

• 2.035 x10⁴

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: 0.004078

• 4.078  x  10^-3

• 4.078  x  10³

• 40.78  x  10^-4

• .4078  x  10^-2