The mean of 100 numerical observations is 51.82. what is the value of the sum of all 100 numbers? a. 5.182 b. 0.5182 c. 51.82 d. 5182 e. 518.2

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?