3) A local school district has 4512 students this year. The student population is declining by 2.5% per year. How many students will the school have next year

Number of students(n1)= 4,402

Step-by-step explanation:

Giving the following information:

Number of students= 4,512

Declining rate= 2.5%

To calculate the number of students next year, we need to use the following formula:

Number of students (n+x)= number of students (n0) / [(1+declining rate)^(n+x)

x= number of years

Number of students(n1)= 4,512/1.025

Number of students(n1)= 4,402

10 * 563.67 = 5636.7

e.

step-by-step explanation:

because there are always 10 numbers in a phone number.