The first one would be C and the 2nd is A.
Answer: £54.60
Step-by-step explanation:
7.80 x 7 = £54.60
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Answer:
4594.76 USD will be in the account on Burt's 18th birthday.
Step-by-step explanation:
Since interest rate is constant in time, we can use the definition of composite interest to determine how much money will be on Burt's 18th birthday, that is:
(1)
Where:
- Initial amount, measured in US dollars.
- Current amount, measured in US dollars.
- Annual interest rate, measured in percentage.
- Time, measured in years.
If we know that 
, 
and 
, then the money in the savings account on Burt's 18th birthday is:
4594.76 USD will be in the account on Burt's 18th birthday.
An expression equivalent to that given would be 4^8 or also written as four to the eighth power, hope this helped! Please rate my answers.
Work: 4^8 = 4x4x4x4x4x4x4x4
