Sarah deposited $1,800 into a savings account that earns 4% compound interest (her money is compounded annually for 7 years), what is the ending balance in her account?

show your work with a step-to-step guide below:

$2368.68

Step-by-step explanation:

Use the equation for total amount involving compound interest:

A is the total amount.

P is the principle, the starting investment.

r is the compound interest rate annually.

n is number of compounding periods in a year.

t is the number of years.

Substitute the values known into the equation.

Simplify.

Solve.

A = 2368.68   <= rounded to 2 decimal places

The ending balance in her account is $2368.68.

hi there!

question 1 answer: p/q can be terminating when q = 5^m * 2^n

question 2 answer: -1 and -1

question 3 answer: -4

question 4 answer: 5/12

hope this : )