Question

The area of San Bernardino County, California, is the largest county in the United States, is about 3 to the 9 power square miles.Write this as an expression.What is the area of San Bernardino County?

Answer 1

19683 square miles of land in there so 3^9 is 19683

Answer 2

An expression =
`3^(9)`

The area of San Bernardino County is 19,683 square miles.

Explanation:

The are of San Bernardino County is about 3 to the 9 power square miles.

Here 3 to the 9 power means " base 3 and the exponent is 9"

=
`3^(9)`

This means we have to multiply 3 itself by 9 times.

`3^(9)` = 3.3.3.3.3.3.3.3.3

= 9.9.9.9.3

= 81.81.3

= 6561.3

= 19,683 square miles

The area of San Bernardino County is 19,683 square miles.