Answer:
3.1 * 10^10
Step-by-step explanation:
Answer:
- the way its set up its kind of confusing ↑
Step-by-step explanation:
Okay well 7%, changes into 7/100=0.07 and there are 5 years and you have the beginning amount of 400. So 400×0.07=28. 28×5= 140. So add 140 to the be amount, 400+140=$540.
Answer is $540.