How much would $400 be worth after 16 yrs, if it were invested at 3% interest compound annually? (use the formula below and round your answer to the nearest cent.)
a(t)=p(1+r/n)^nt

a. $477.62
b. $2661.66
c. $523.23
d. $641.88

Merrida uses a pattern in the multiplication table below to find ratios that are equivalent to 7: 9. if merrida multiplies the first term, 7, by a factor of 6, what should she do to find the other term for the equivalent ratio? multiply 9 by 1. multiply 9 by 6. multiply 9 by 7. multiply 9 by 9.