19. heather invests $4,900 in an account with a 3.5% interest rate, making no other deposits or withdrawals. what will heather’s account balance be after 5 years if the interest is compounded 2 times each year?

Step-by-step explanation:

we know that    

The compound interest formula is equal to  

where  

A is the Final Investment Value  

P is the Principal amount of money to be invested  

r is the rate of interest  in decimal

t is Number of Time Periods  

n is the number of times interest is compounded per year

in this problem we have  

substitute in the formula above  

the expression (1.26)2t reveals the approximate rate of increases in the number of plants semiannually.

hope this : )