Question

the compound interest of 20000 at 10 per annum compounded annually for a certain period of time is 4200 find the time​

Answer 1

Answer:

Step-by-step explanation:

CI=A+(1+R/100)TO THE POWER N WHERE N= NUMBER OF TIME

20000=4200+(1+10/100)N

20000-4200=15800

1+10/100=110/100= (11/10) Ans