Aconsumer charges a $46.92 purchase on a credit card. the card has a daily interest rate of 0.039%. if the consumer pays off the balance at the end of 30 days, how much in interest will be paid for the purchase?
a.
$0.06
b.
$0.18
c.
$0.55
d.
$5.49

the answer is c

The answer is coming
Miltiply the amount by percent then your answer you multiply by 30 days

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.