Number 1 is d.50 because 10= 1 mile and there are 5 miles 10times5=50
When you are multiplying an exponent directly into a number/variable with an exponent, you multiply the exponents together.
For example:


When you are multiplying a variable with an exponent by another variable with an exponent, you add the exponents together.
For example:



You multiply 3 into each exponent in the numerator and the denominator

When you have a negative exponent, you move it to the other side of the fraction to make the exponent positive.

When you have something like this:

You subtract the exponents together, so:

Your answer is the second option

For each time period, each time "t" increases by one, the population will be multiplied by 4.
0.007, also known as the thousandths place in decimals.
6 is your answer, hope it helped