The speed of light is  meters per second. 1. To convert to kilometers per second, divide  by 1000, since there are

kilometers in a meter.

                         (Apply quotient powers property: )

2. To convert km/sec to km/hr, multiply  by 3600, since there are seconds in an hour.

    (Apply commutative property: )

         (Multiply: )

                   (Apply power of product property:  )

                    (The scientific notation)

The scientific notation to standard form:

In , note whether .

there fore the above scientific notation has the exponent is 9, so .

Since , move the decimal point 9 places to the right.

.

Rewrite insert commas.

.

The standard form is .

The scientific notation is or The standard form is .